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Path: news.unomaha.edu!sol.ctr.columbia.edu!emory!swrinde!cs.utexas.edu!uunet!psinntp!wlnntp.psi.com!usenet From: "Art Morrison" <p01138@psilink.com> Newsgroups: rec.radio.amateur.policy Subject: FCC Part 97 Full Text (2/3) Date: Mon, 20 Dec 93 09:14:21 -0500 Organization: PSI Public Usenet Link Lines: 927 Message-ID: <2965482589.1.p01138@psilink.com> NNTP-Posting-Host: worldlink.com X-Mailer: PSILink-DOS (3.5.2) Attached is the second part of the Commission's Rules for Amateur Radio. They are ascii text, updated through November 8, 1993. 97.115 Third party communications. - (a) An amateur station may transmit messages for a third party to: (1) Any station within the jurisdiction of the United States. (2) Any station within the jurisdiction of any foreign government whose administration has made arrangements with the United States to allow amateur stations to be used for transmitting international communications on behalf of third parties. No station shall transmit messages for a third party to any station within the jurisdiction of any foreign government whose administration has not made such an arrangement. This prohibition does not apply to a message for any third party who is eligible to be a control operator of the station. (b) The third party may participate in stating the message where: (1) The control operator is present at the control point and is continuously monitoring and supervising the third party's participation; and (2) The third party is not a prior amateur service licensee whose license was revoked; suspended for less than the balance of the license term and the suspension is still in effect; suspended for the balance of the license term and relicensing has not taken place; or surrendered for cancellation following notice of revocation, suspension or monetary forfeiture proceedings. The third party may not be the subject of a cease and desist order which relates to amateur service operation and which is still in effect. (c) At the end of an exchange of international third party communications, the station must also transmit in the station identification procedure the call sign of the station with which a third party message was exchanged. 97.117 International communications. - Transmissions to a different country, where permitted, shall be made in plain language and shall be limited to messages of a technical nature relating to tests, and, to remarks of a personal character for which, by reason of their unimportance, recourse to the public telecommunications service is not justified. 97.119 Station identification. - (a) Each amateur station, except a space station or telecommand station, must transmit its assigned call sign on its transmitting channel at the end of each communication, and at least every ten minutes during a communication, for the purpose of clearly making the source of the transmissions from the station known to those receiving the transmissions. No station may transmit unidentified communications or signals, or transmit as the station call sign, any call sign not authorized to the station. (b) The call sign must be transmitted with an emission authorized for the transmitting channel in one of the following ways: (1) By a CW emission. When keyed by an automatic device used only for identification, the speed must not exceed 20 words per minute; (2) By a phone emission in the English language. Use of a phonetic alphabet as an aid for correct station identification is encouraged; (3) By a RTTY emission using a specified digital code when all or part of the communications are transmitted by a RTTY or data emission; (4) By an image emission conforming to the applicable transmission standards, either color or monochrome, of 73.682(a) of the FCC Rules when all or part of the communications are transmitted in the same image emission; or (5) By a CW or phone emission during SS emission transmission on a narrow bandwidth frequency segment. Alternatively, by the changing of one or more parameters of the emission so that a conventional CW or phone emission receiver can be used to determine the station call sign. (c) An indicator may be included with the call sign. It must be separated from the call sign by the slant mark or by any suitable word that denotes the slant mark. If the indicator is self-assigned, it must be included after the call sign and must not conflict with any other indicator specified by the FCC Rules or with any prefix assigned. to another country. (d) When the operator license class held by the control operator exceeds that of the station licensee, an indicator consisting of the call sign assigned to the control operator's station must be included after the call sign. (e) When the control operator is a person who is exercising the rights and privileges authorized by 97.9(b) of this part, an indicator must be included after the call sign as follows: (1) For a control operator who has requested a license modification from Novice Class to Technician Class: KT; (2) For a control operator who has requested a license modification from Novice or Technician Class to General Class: AG; (3) For a control operator who has requested a license modification from Novice, Technician, or General Class operator to Advanced Class: AA; or (4) For a control operator who has requested a license modification from Novice, Technician, General, or Advanced Class operator to Amateur Extra Class: AE. (f) When the station is transmitting under the authority of a reciprocal permit for an alien amateur licensee, an indicator consisting of the appropriate letter-numeral designating the station location must be included before the call sign issued to the station by the licensing country. When the station is transmitting under the authority of an amateur service license issued by the Government of Canada, a station location indicator must be included after the call sign. At least once during each intercommunication, the identification an- nouncement must include the geographical location as nearly as possible by city and state, commonwealth or possession. 97.121 Restricted operation. - (a) If the operation of an amateur station causes general interference to the reception of transmissions from stations operating in the domestic broadcast service when receivers of good engineering design, including adequate selectivity characteristics, are used to receive such transmissions, and this fact is made known to the amateur station licensee, the amateur station shall not be operated during the hours from 8 p.m. to 10: 30 p.m. , local time, and on Sunday for the additional period from 10:30 a.m. until 1 p.m. , local time, upon the frequency or frequencies used when the interference is created. (b) In general, such steps as may be necessary to minimize interference to stations operating in other services may be required after investigation by the FCC. Subpart C - Special Operations 97.201 Auxiliary station. - (a) Any amateur station licensed to a holder of a Technician, General, Advanced or Amateur Extra Class operator license may be an auxiliary station. A holder of a Technician, General, Advanced or Amateur Extra Class operator license may be the control operator of an auxiliary station, subject to the privileges of the class of operator license held. (b) An auxiliary station may transmit only on the 1.25 m and shorter wavelength bands, except the 431-433 MHz and 435-438 MHz segments. (c) Where an auxiliary station causes harmful interference to an- other auxiliary station, the licensees are equally and fully responsible for resolving the interference unless one station's operation is recommended by a frequency coordinator and the other station's is not. In that case, the licensee of the non-coordinated auxiliary station has primary responsibility to resolve the interference. (d) An auxiliary station may be automatically controlled. (e) An auxiliary station may transmit one-way communications. 97.203 Beacon station. - (a) Any amateur station licensed to a holder of a Technician, General, Advanced or Amateur Extra Class operator license may be a beacon. A holder of a Technician, General, Advanced or Amateur Extra Class operator license may be the control operator of a beacon, subject to the privileges of the class of operator license held. (b) A beacon must not concurrently transmit on more than 1 channel in the same amateur service frequency band, from the same station location. (c) The transmitter power of a beacon must not exceed 100 W. (d) A beacon may be automatically controlled while it is transmitting on the 28.20-28.30 MHz, 50.06-50.08 MHz, 144.275-144.300 MHz, 222.05- 222.06 MHz or 432.300-432.400 MHz segments, or on the 33 cm and shorter wavelength bands. (e) Before establishing an automatically controlled beacon in the National Radio Quiet Zone or before changing the transmitting frequency, transmitter power, antenna height or directivity, the station licensee must give written notification thereof to the Interference Office, National Radio Astronomy Observatory, P.O. Box 2, Green Bank, WV 24944. (1) The notification must include the geographical coordinates of the antenna, antenna ground elevation above mean sea level (AMSL), antenna center of radiation above ground level (AGL), antenna directivity, proposed frequency, type of emission, and transmitter power. (2) If an objection to the proposed operation is received by the FCC from the National Radio Astronomy Observatory at Green Bank, Pocahontas County, WV, for itself or on behalf of the Naval Research Laboratory at Sugar Grove, Pendleton County, WV, within 20 days from the date of notification, the FCC will consider all aspects of the problem and take whatever action is deemed appropriate. (f) A beacon must cease transmissions upon notification by an EIC that the station is operating improperly or causing undue interference to other operations. The beacon may not resume transmitting without prior approval of the EIC. (g) A beacon may transmit one-way communications. 97.205 Repeater station. - (a) Any amateur station licensed to a holder of a Technician, General, Advanced or Amateur Extra Class operator license may be a repeater. A holder of a Technician, General, Advanced or Amateur Extra Class operator license may be the control operator of a repeater, subject to the privileges of the class of operator license held. (b) A repeater may receive and retransmit only on the 10 m and shorter wavelength frequency bands except the 28.0-29.5 MHz, 50.0-51.0 MHz, 144.0-144.5 MHz, 145.5-146.0 MHz, 431.0-433.0 MHz and 435.0-438.0 MHz segments. (c) Where the transmissions of a repeater cause harmful interference to another repeater, the two station licensees are equally and fully responsible for resolving the interference unless the operation of one station is recommended by a frequency coordinator and the operation of the other station is not. In that case, the licensee of the non-coordinated repeater has primary responsibility to resolve the interference. (d) A repeater may be automatically controlled. (e) Ancillary functions of a repeater that are available to users on the input channel are not considered remotely controlled functions of the station. Limiting the use of a repeater to only certain user stations is permissible. (f) Before establishing a repeater in the National Radio Quiet Zone or before changing the transmitting frequency, transmitter power, antenna height or directivity, or the location of an existing repeater, the station licensee must give written notification thereof to the Interference Office, National Radio Astronomy Observatory, P.O. Box 2, Green Bank, WV 24944. (1) The notification must include the geographical coordinates of the station antenna, antenna ground elevation above mean sea level (AMSL), antenna center of radiation above ground level (AGL), antenna directivity, proposed frequency, type of emission, and transmitter power. (2) If an objection to the proposed operation is received by the FCC from the National Radio Astronomy Observatory at Green Bank, Pocahontas County, WV, for itself or on behalf of the Naval Research Laboratory at Sugar Grove, Pendleton County, WV, within 20 days from the date of notification, the FCC will consider all aspects of the problem and take whatever action is deemed appropriate. 97.207 Space station. - (a) Any amateur station may be a space station. A holder of any class operator license may be the control operator of a space station, subject to the privileges of the class of operator license held by the control operator. (b) A space station must be capable of effecting a cessation of transmissions by telecommand whenever such cessation is ordered by the FCC. (c) The following frequency bands and segments are authorized to space stations: (1) The 17 m, 15 m, 12 m, and 10 m bands, 6 mm, 4 mm, 2 mm and 1 mm bands; and (2) The 7.0-7.1 MHz, 14.00-14.25 MHz, 144-146 MHz, 435-438 MHz, 1260-1270 MHz, and 2400-2450 MHz, 3.40-3.41 GHz, 5.83-5.85 GHz, 10.45- 10.50 GHz, and 24.00-24.05 GHz segments. (d) A space station may automatically retransmit the radio signals of Earth stations and other space stations. (e) A space station may transmit one-way communications. (f) Space telemetry transmissions may consist of specially coded messages intended to facilitate communications or related to the function of the spacecraft. (g) The licensee of each space station must give two written, pre-space station notifications to the Private Radio Bureau, FCC, Washington, DC 20554. Each notification must be in accord with the provisions of Articles 11 and 13 of the Radio Regulations. (1) The first notification is required no less than 27 months prior to initiating space station transmissions and must specify the information required by Appendix 4 and Resolution No. 642 of the Radio Regulations. (2) The second notification is required no less than 5 months prior to initiating space station transmissions and must specify the information required by Appendix 3 and Resolution No. 642 of the Radio Regulations. (h) The licensee of each space station must give a written, in-space station notification to the Private Radio Bureau, FCC, Washington, DC 20554, no later than 7 days following initiation of space station transmissions. The notification must update the information contained in the prespace notification. The licensee of each space station must give a written, postspace station notification to the Private Radio Bureau, FCC, Washington, DC 20554, no later than 3 months after termination of the space station transmissions. When the termination is ordered by the FCC, notification is required no later than 24 hours after termination. 97.209 Earth station. - (a) Any amateur station may be an Earth station. A holder of any class operator license may be the control operator of an Earth station, subject to the privileges of the class of operator license held by the control operator. (b) The following frequency bands and segments are authorized to Earth stations: (1) The 17 m, 15 m, 12 m, and 10 m bands, 6 mm, 4 mm, 2 mm and 1 mm bands; and (2) The 7.0-7.1 MHz, 14.00-14.25 MHz, 144-146 MHz, 435-438 MHz, 1260-1270 MHz and 2400-2450 MHz, 3.40-3.41 GHz, 5.65-5.67 GHz, 10.45- 10.50 GHz and 24.00-24.05 GHz segments. 97.211 Space telecommand station. - (a) Any amateur station designated by the licensee of a space station is eligible to transmit as a telecommand station for that space station, subject to the privileges of the class of operator license held by.the control operator. (b) A telecommand station may transmit special codes intended to obscure the meaning of telecommand messages to the station in space operation. (c) The following frequency bands and segments are authorized to telecommand stations: (1) The 17 m, 15 m, 12 m and 10 m bands. 6 mm, 4 mm, 2 mm and 1 mm bands; and (2) The 7.0-7.1 MHz, 14.00-14.25 MHz, 144-146 MHz, 435-438 MHz, 1260-1270 MHz and 2400-2450 MHz, 3.40-3.41 GHz, 5.65-5.67 GHz, 10.45- 10.50 GHz and 24.00-24.05 GHz segments. (d) A telecommand station may transmit one-way communications. 97.213 Telecommand of an amateur station. - An amateur station on or within 50 km of the Earth's surface may be under telecommand where: (a) There is a radio or wireline control link between the control point and the station sufficient for the control operator to perform his/her duties. If radio, the control link must use an auxiliary station. A control link using a fiber optic cable or another telecommunication service is considered wireline. (b) Provisions are incorporated to limit transmission by the station to a period of no more than 3 minutes in the event of malfunction in the control link. (c) The station is protected against making, willfully or negligently, unauthorized transmissions. (d) A photocopy of the station license and a label with the name, address, and telephone number of the station licensee and at least one designated control operator is posted in a conspicuous place at the station location. 97.215 Telecommand of model craft. - An amateur station transmitting signals to control a model craft may be operated as follows: (a) The station identification procedure is not required for transmissions directed only to the model craft, provided that a label indicating the station call sign and the station licensee's name and address is affixed to the station transmitter. (b) The control signals are not considered codes or ciphers intended to obscure the meaning of the communication. (c) The transmitter power must not exceed 1 W. 97.216 Telemetry. - Telemetry transmitted by an amateur station on or within 50 km of the Earth's surface is not considered to be codes or ciphers intended to obscure the meaning of communications. Subpart D - Technical Standards 97.301 Authorized frequency bands. - The following transmitting frequency bands are available to an amateur station located within 50 km of the Earth's surface, within the specified ITU Region and outside any area where the amateur service is regulated by any authority other than the FCC. (a) For a station having a control operator holding a Technician, General, Advanced or Amateur Extra Class operator license: Wave- Sharing length ITU ITU ITU requirements. See band (Region 1) (Region 2) (Region 3) 97.303 (paragraph) VHF MHz MHz MHz ----- ------ ------- ------- 6 m 50-54 50-54 (a) 2 m 144-146 144-148 144-148 (a) 1.25 m 222-225 (a) UHF MHz MHz MHz ----- ------- ------- ------- 70 cm 430-440 420-450 420-450 (a), (b), (f) 33 cm 902-928 (a), (b), (g) 23 cm 1240-1300 1240-1300 1240-1300 (h), (i) 13 cm 2300-2310 2300-2310 2300-2310 (a), (b), (j) do 2390-2450 2390-2450 2390-2450 (a), (b), (j) SHF GHz GHz GHz ----- ------- ------- ------- 9 cm 3. 3-3.5 3.3-3.5 (a), (b), (k), (l) 5 cm 5.650-5.850 5.650-5.925 5.650-5.850 (a), (b), (m) 3 cm 10.00-10.50 10.00-10.50 10.00-10.50 (a), (c), (i), (n) 1.2 cm 24.00-24.25 24.00-24.25 24.00-24.25 (a), (b), (h), (o) EHF GHz GHz GHz ----- ------- ------- ------- 6 mm 47.0-47.2 47 .0-47 .2 47.0-47.2 4 mm 75.5-81.0 75.5-81.0 75.5-81.0 (b), (c), (h) 2.5 mm 119.98-120.02 119.98-120.02 119.98-120.02 (k), (p) 2 mm 142-149 142-149 142-149 (b), (c), (h), (k) 1 mm 241-250 241-250 241-250 (b), (c), (h), (q) above 300 above 300 above 300 (k) (b) For a station having a control operator holding an Amateur Extra Class operator license: Wave- Sharing length ITU ITU ITU requirements. See band (Region 1) (Region 2) (Region 3) 97.303 (paragraph) MF kHz kHz kHz ----- ------- ------- ------- 160 m 1810-1850 1800-2000 1800-2000 (a), (b), (c) HF MHz MHz MHz ----- ------- ------- ------- 80 m 3. 50-3.75 3. 50-3 .75 3. 50-3.75 (a) 75 m 3. 75-3.80 3.75-4. 00 3.75-3.90 (a) 40 m 7.0-7.1 7.0-7.3 7.0-7.1 (a) 30 m 10.10-10.15 10.10-10.15 10.10-10.15 (d) 20 m 14.00-14.35 14.00-14.35 14.00-14.35 17 m 18.068-18.168 18.068-18.168 18.068-18.168 15 m 21.00-21.45 21.00-21.45 21.00-21.45 12 m 24.89-24.99 24.89-24.99 24.89-24.99 10 m 28.0-29.7 28.0-29.7 28.0-29.7 (c) For a station having a control operator holding an Advanced Class operator license: Wave- Sharing length ITU ITU ITU requirements. See band (Region 1) (Region 2) (Region 3) 97.303 (paragraph) MF kHz kHz kHz ----- ------- ------- ------- 160 m 1810-1850 1800-2000 1800-2000 (a), (b), (c) HF MHz MHz MHz ----- ------- ------- ------- 80 m 3.525-3.750 3.525-3.750 3.525-3.750 (a) 75 m 3.775-3.800 3.775-4.000 3.775-3.900 (a) 40 m 7.025-7.100 7.025-7.300 7.025-7.100 (a) 30 m 10.10-10.15 10.10-10.15 10.10-10.15 (d) 20 m 14.025-14.150 14.025-14.150 14.025-14.150 do 14.175-14.350 14.175-14.350 14.175-14.350 17 m 18.068-18.168 18.068-18.168 18.068-18.168 15 m 21.025-21.200 21.025-21.200 21.025-21.200 do 21.225-21.450 21.225-21.450 21.225-21.450 12 m 24.89-24.99 24.89-24.99 24.89-24.99 10 m 28.0-29.7 28.0-29.7 28.0-29.7 (d) For a station having a control operator holding a General Class operator license: Wave- Sharing length ITU ITU ITU requirements. See band (Region 1) (Region 2) (Region 3) 97.303 (paragraph) MF kHz kHz kHz ----- ------- ------- ------- 160 m 1810 -1850 1800-2000 1800-2000 (a), (b), (c) HF MHz MHz MHz ----- ------- ------- ------- 80 m 3.525-3.750 3.525-3.750 3.525-3.750 (a) 75 m 3 .85-4.00 3 .85 -3 .90 (a) 40 m 7.025-7.100 7.025-7.150 7.025-7.100 (a) do 7.225-7.300 (a) 30 m 10.10-10.15 10.10-10.15 10.10-10.15 (d) 20 m 14.025-14.150 14.025-14.150 14.025-14.150 do 14.225-14.350 14.225-14.350 14.225-14.350 17 m 18.068-18.168 18.068-18.168 18.068-18.168 15 m 21.025-21.200 21.025-21.200 21.025-21.200 do 21.30-21.45 21.30-21.45 21.30-21.45 12 m 24.89-24.99 24.89-24.99 24.89-24.99 10 m 28.0-29.7 28.0-29.7 28.0-29.7 (e) For a station having a control operator holding a Novice Class operator license, or a Technician Class operator license plus a CSCE indicating that the person passed element 1(A), 1(B), or 1(C), or a Technician Class operator license issued before February 14, 1991: Wave- Sharing length ITU ITU ITU requirements. See band (Region 1) (Region 2) (Region 3) 97.303 (paragraph) HF MHz MHz MHz ----- ------- ------- ------- 80 m 3.675-3.725 3.675-3.725 3.675-3.725 (a) 40 m 7.050-7.075 7.10-7.15 7.050-7.075 (a) 15 m 21.10-21.20 21.10-21.20 21.10-21.20 10 m 28.1-28.5 28.1-28.5 28.1-28.5 (f) For a station having a control operator holding a Novice Class operator license: Wave- Sharing length ITU ITU ITU requirements. See band (Region 1) (Region 2) (Region 3) 97.303 (paragraph) VHF MHz MHz MHz ----- ------- ------- ------- 1.25 m 222.10-223.91 (a) UHF MHz MHz MHz ----- ------- ------- ------- 23 cm 1270-1295 1270-129 5 1270-1295 (i) 97.303 Frequency sharing requirements. - The following is a summary of the frequency sharing requirements that apply to amateur station transmissions on the frequency bands specified in 97.301 of this part. (For each ITU Region, each frequency band allocated to the amateur service is designated as either a secondary service or a primary service. A station in a secondary service must not cause harmful interference to, and must accept interference from, stations in a primary service. See 2.105 and 2.106 of the FCC Rules, United States Table of Frequency Allocations for complete requirements.) (a) Where in adjacent ITU Regions or Subregions, a band of frequencies is allocated to different services of the same category, the basic principle is the equality of right to operate. The stations of each service in one region must operate so as not to cause harmful interference to services in the other Regions or Subregions. (See ITU Radio Regulations, No. 346 (Geneva, 1979).) (b) No amateur station transmitting in the 1900-2000 kHz segment, the 70 cm band, the 33 cm band, the 13 cm band, the 9 cm band, the 5 cm band, the 3 cm band, the 24.05-24.25 GHz segment, the 76-81 GHz segment, the 144-149 GHz segment and the 241-248 GHz segment shall cause harmful interference to, nor is protected from interference due to the operation of, the Government radiolocation service. (c) No amateur station transmitting in the 1900-2000 kHz segment, the 3 cm band, the 76-81 GHz segment, the 144-149 GHz segment and the 241-248 GHz segment shall cause harmful interference to, nor is protected from interference due to the operation of, stations in the non-Government radiolocation service. (d) No amateur station transmitting in the 30 meter band shall cause harmful interference to stations authorized by other nations in the fixed service. The licensee of the amateur station must make all necessary adjustments, including termination of transmissions, if harmful interference is caused. (e) [Deleted] (f) In the 70 cm band: (1) No amateur station shall transmit from north of Line A in the 420-430 MHz segment. (2) The 420-430 MHz segment is allocated to the amateur service in the United States on a secondary basis, and is allocated in the fixed and mobile (except aeronautical mobile) services in the International Table of Allocations on a primary basis. No amateur station transmitting in this band shall cause harmful interference to, nor is protected from interference due to the operation of, stations authorized by other nations in the fixed and mobile (except aeronautical mobile) services. (3) The 430-440 MHz segment is allocated to the amateur service on a secondary basis in ITU Regions 2 and 3. No amateur station transmitting in this band in ITU Regions 2 and 3 shall cause harmful interference to, nor is protected from interference due to the operation of, stations authorized by other nations in the radiolocation service. In ITU Region 1, the 430-440 MHz segment is allocated to the amateur service on a co-primary basis with the radiolocation service. As between these two services in this band in ITU Region 1, the basic principle that applies is the equality of right to operate. Amateur stations authorized by the United States and radiolocation stations authorized by other nations in ITU Region 1 shall operate so as not to cause harmful interference to each other. (4) No amateur station transmitting in the 449.75-450.25 MHz segment shall cause interference to, nor is protected from interference due to the operation of stations in, the space operation service and the space research service or Government or non-Government stations for space telecommand. (g) In the 33 cm band: (1) No amateur station shall transmit from within the States of Colorado and Wyoming, bounded on the south by latitude 390 N, on the north by latitude 420 N, on the east by longitude 1050 W, and on the west by longitude 1080 W. This band is allocated on a secondary basis to the amateur service subject to not causing harmful interference to, and not receiving protection from any interference due to the operation of, industrial, scientific and medical devices, automatic vehicle monitoring systems or Government stations authorized in this band. (2) No amateur station shall transmit from those portions of the States of Texas and New Mexico bounded on the south by latitude 310 411 N, on the north by latitude 340 301 N, on the east by longitude 1040 111 W, and on the west by longitude 1070 301 W. (h) No amateur station transmitting in the 23 cm band, the 3 cm band, the 24.05-24.25 GHz segment, the 76-81 GHz segment, the 144-149 GHz segment and the 241-248 GHz segment shall cause harmful interference to, nor is protected from interference due to the operation of, stations authorized by other nations in the radiolocation service. (i) In the 1240-1260 MHz segment, no amateur station shall cause harmful interference to, nor is protected from interference due to the operation of, stations in the radionavigation-satellite service, the aeronautical radionavigation service, or the radiolocation service. (j) In the 13 cm band: (1) The amateur service is allocated on a secondary basis in all ITU Regions. In ITU Region 1, no amateur station shall cause harmful interference to, and is not protected from interference due to the operation of, stations authorized by other nations in the fixed service. In ITU Regions 2 and 3, no station shall cause harmful interference to, and is not protected from interference due to the operation of, stations authorized by other nations in the fixed, mobile and radiolocation services. (2) In the United States, 2300-2310 MHz segment is allocated to the amateur service on a co-secondary basis with the Government fixed and mobile services. In this segment, the fixed and mobile services must not cause harmful interference to the amateur service. No amateur station transmitting in the 2400-2450 MHz segment is protected from interference due to the operation of industrial, scientific and medical devices on 2450 MHz. (k) No amateur station transmitting in the 3.332-3.339 GHz and 3.3458-3.3525 GHz segments, the 2.5 mm band, the 144.68-144.98 GHz, 145.45-145.75 GHz and 146.82-147.12 GHz segments and the 343-348 GHz segment shall cause harmful interference to stations in the radio astronomy service. No amateur station transmitting in the 300-302 GHz, 324-326 GHZ, 345-347 GHz, 363-365 GHz and 379-381 GHz segments shall cause harmful interference to stations in the space research service (passive) or Earth exploration-satellite service (passive). (l) In the 9 cm band: (1) In ITU Regions 2 and 3, the band is allocated to the amateur service on a secondary basis. (2) In the United States, the band is allocated to the amateur service on a co-secondary basis with the non-Government radiolocation service. (3) In the 3.3-3.4 GHz segment, no amateur station shall cause harmful interference to, nor is protected from interference due to the operation of, stations authorized by other nations in the radiolocation service. (4) In the 3.4-3.5 GHz segment, no amateur station shall cause harmful interference to, nor is protected from interference due to the operation of, stations authorized by other nations in the fixed and fixed-satellite service. (m) In the 5 cm band: (1) In the 5.650-5.725 GHz segment, the amateur service is allocated in all ITU Regions on a co-secondary basis with the space research (deep space) service. (2) In the 5.725-5.850 GHz segment, the amateur service is allocated in all ITU Regions on a secondary basis. No amateur station shall cause harmful interference to, nor is protected from interference due to the operation of, stations authorized by other nations in the fixed-satellite service in ITU Region 1. (3) No amateur station transmitting in the 5.725-5.875 GHz segment is protected from interference due to the operation of industrial, scientific and medical devices operating on 5.8 GHz. (4) In the 5.650-5.850 GHz segment, no amateur station shall cause harmful interference to, nor is protected from interference due to the operation of, stations authorized by other nations in the radiolocation service. (5) In the 5.850-5.925 GHz segment, the amateur service is allocated in ITU Region 2 on a co-secondary basis with the radiolocation service. In the United States, the segment is allocated to the amateur service on a secondary basis to the non-Government fixed-satellite service. No amateur station shall cause harmful interference to, nor is protected from interference due to the operation of, stations authorized by other nations in the fixed, fixed-satellite and mobile services. No amateur station shall cause harmful interference to, nor is protected from interference due to the operation of, stations in the non-Government fixed-satellite service. (n) In the 3 cm band: (1) In the United States, the 3 cm band is allocated to the amateur service on a co-secondary basis with the non-Government radiolocation service. (2) In the 10.00-10.45 GHz segment in ITU Regions 1 and 3, no amateur station shall cause interference to, nor is protected from interference due to the operation of, stations authorized by other nations in the fixed and mobile services. (o) No amateur station transmitting in the 1.2 cm band is protected from interference due to the operation of industrial, scientific and medical devices on 24.125 GHz. In the United States, the 24.05-24.25 GHz segment is allocated to the amateur service on a co-secondary basis with the non-Government radiolocation and Government and non-Government Earth exploration-satellite (active) services. (p) The 2.5 mm band is allocated to the amateur service on a secondary basis. No amateur station transmitting in this band shall cause harmful interference to, nor is protected from interference due to the operation of, stations in the fixed, inter-satellite and mobile services. (q) No amateur station transmitting in the 244-246 GHz segment of the 1 mm band is protected from interference due to the operation of industrial, scientific and medical devices on 245 GHz. 97.305 Authorized emission types. - (a) An amateur station may transmit a CW emission on any frequency authorized to the control operator. (b) A station may transmit a test emission on any frequency authorized to the control operator for brief periods for experimental purposes, except that no pulse modulation emission may be transmitted on any frequency where pulse is not specifically authorized. (c) A station may transmit the following emission types on the frequencies indicated, as authorized to the control operator, subject to the standards specified in 97.307(f) of this part. Wave- Emission Standards. length types See 97.307(f) band Frequencies authorized paragraph MF ----- 160 m Entire band RTTY, data (3) do do Phone, image (1),(2) HF ----- 80 m Entire band RTTY, data (3),(9) 75 m Entire band Phone, image (1)1(2) 40 m 7.000-7.100 MHz RTTY, data (3),(9) do 7.075-7.100 MHz Phone, image (1),(2),(9),(11) do 7.100-7.150 MHz RTTY, data (3),(9) do 7.150-7.300 MHz Phone, image (1),(2) 30 m Entire band RTTY, data (3) 20 m 14.00-14.15 MHz RTTY, data (3) do 14.15-14.35 MHz Phone, image (1),(2) 17 m 18.068-18.110 MHz RTTY, data (3) do 18.110-18.168 MHz Phone, image (1),(2) 15 m 21.0-21.2 MHz RTTY, data (3),(9) do 21.20-21.45 MHz Phone, image (1),(2) 12 m 24.89-24.93 MHz RTTY, data (3) do 24.93-24.99 MHz Phone, image (1),(2) 10 m 28.0-28.3 MHz RTTY, data (4) do 28.3-28.5 MHz Phone, image (1),(2),(10) do 28.5-29.0 MHz Phone, image (1),(2) do 29.0-29.7 MHz Phone, image (2) VHF ----- 6 m 50.1-51.0 MHz MCW, phone, image, RTTY, data (2),(5) do 51.0-54.0 MHz MCW, phone, image, RTTY, data, test (2),(5),(8) 2 m 144.1-148.0 MHz MCW, phone, image, RTTY, data, test (2),(5),(8) 1.25 m Entire band MCW, phone, image, RTTY, data, test (2),(6),(8) UHF ----- 70 cm Entire band MCW, phone, image, RTTY data, SS, test (6),(8) 33 cm Entire band MCW, phone, image, RTTY data, SS, test, pulse (7),(8),(12) 23 cm Entire band MCW, phone, image, RTTY data, SS, test (7),(8),(12) 13 cm Entire band MCW, phone, image, RTTY data, SS, test, pulse (7),(8),(12) SHF ----- 9 cm Entire band MCW, phone, image, RTTY, data, SS, test, pulse (7),(8),(12) 5 cm Entire band MCW, phone, image, RTTY, data, SS, test, pulse (7),(8),(12) 3 cm Entire band MCW, phone, image, RTTY, data, SS, test (7),(8),(12) 1.2 cm Entire band MCW, phone, image, RTTY, data, SS, test, pulse (7),(8),(12) EHF ----- 6 mm Entire band MCW, phone, image, RTTY, data, SS, test, pulse (7),(8),(12) 4 mm Entire band MCW, phone, image, RTTY, data, SS, test, pulse (7),(8),(12) 2.5 mm Entire band MCW, phone, image, RTTY, data, SS, test, pulse (7),(8),(12) 2 mm Entire band MCW, phone, image, RTTY, data, SS, test, pulse (7),(8),(12) 1 mm Entire band MCW, phone, image, RTTY, data, SS, test, pulse (7),(8),(12) --- Above 300 GHz MCW, phone, image, RTTY, data, SS, test, pulse (7),(8),(12) 97.307 Emission standards. - (a) No amateur station transmission shall occupy more bandwidth than necessary for the information rate and emission type being transmitted, in accordance with good amateur practice. (b) Emissions resulting from modulation must be confined to the band or segment available to the control operator. Emissions outside the necessary bandwidth must not cause splatter or keyclick interference to operations on adjacent frequencies. (c) All spurious emissions from a station transmitter must be reduced to the greatest extent practicable. If any spurious emission, including chassis or power line radiation, causes harmful interference to the reception of another radio station, the licensee of the interfering amateur station is required to take steps to eliminate the interference, in accordance with good engineering practice. (d) The mean power of any spurious emission from a station transmitter or external RF power amplifier transmitting on a frequency below 30 MHz must not exceed 50 mW and must be at least 40 dB below the mean power of the fundamental emission. For a transmitter of mean power less than 5 W, the attenuation must be at least 30 dB. A transmitter built before April 15, 1977, or first marketed before January 1, 1978, is exempt from this requirement. (e) The mean power of any spurious emission from a station transmitter or external RF power amplifier transmitting on a frequency between 30-225 MHz must be at least 60 dB below the mean power of the fundamental. For a transmitter having a mean power of 25 W or less, the mean power of any spurious emission supplied to the antenna transmission line must not exceed 25 uW and must be at least 40 dB below the mean power of the fundamental emission, but need not be reduced below the power of 10 uW. A transmitter built before April 15, 1977, or first marketed before January 1, 1978, is exempt from this requirement. (f) The following standards and limitations apply to transmissions on the frequencies specified in 97.305(c) of this part. (1) No angle-modulated emission may have a modulation index greater than 1 at the highest modulation frequency. (2) No non-phone emission shall exceed the bandwidth of a communications quality phone emission of the same modulation type. The total bandwidth of an independent sideband emission (having B as the first symbol), or a multiplexed image and phone emission, shall not exceed that of a communications quality A3E emission (3) Only a RTTY or data emission using a specified digital code listed in 97.309(a) of this part may be transmitted. The symbol rate must not exceed 300 bauds, or for frequency-shift keying, the frequency shift between mark and space must not exceed 1 kHz. (4) Only a RTTY or data emission using a specified digital code listed in 97.309(a) of this part may be transmitted. The symbol rate must not exceed 1200 bauds, or for frequency-shift keying, the frequency shift between mark and space must not exceed 1 kHz. (5) A RTTY, data or multiplexed emission using a specified digital code listed in 97.309(a) of this part may be transmitted. The symbol rate must not exceed 19.6 kilobauds. A RTTY, data or multiplexed emission using an unspecified digital code under the limitations listed in 97.309(b) of this part also may be transmitted. The authorized bandwidth is 20 kHz. (6) A RTTY, data or multiplexed emission using a specified digital code listed in 97.309(a) of this part may be transmitted. The symbol rate must not exceed 56 kilobauds. A RTTY, data or multiplexed emission using an unspecified digital code under title limitations listed in 97.309(b) of this part also may be transmitted. The authorized bandwidth is 100 kHz. (7) A RTTY, data or multiplexed emission using a specified digital code listed in 97.309(a) of this part or an unspecified digital code under the limitations listed in 97.309(b) of this part may be transmitted. (8) A RTTY or data emission having designators with A, B, C, D, E, F, G, H, J, or R as the first symbol; 1, 2, 7 or 9 as the second symbol; and D or W as the third symbol is also authorized. (9) A station having a control operator holding a Novice or Technician Class operator license may only transmit a CW emission using the international Morse code. (10) A station having a control operator holding a Novice or Technician Class operator license may only transmit a CW emission using the international Morse code or phone emissions J3E and R3E. (11) Phone and image emissions may be transmitted only by stations located in ITU Regions 1 and 3, and by stations located within ITU Region 2 that are west of 1300 West longitude or south of 200 North latitude. (12) Emission FBE may be transmitted.