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1994-06-04
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36KB
Date: Thu, 31 Mar 94 21:28:34 PST
From: Info-Hams Mailing List and Newsgroup <info-hams@ucsd.edu>
Errors-To: Info-Hams-Errors@UCSD.Edu
Reply-To: Info-Hams@UCSD.Edu
Precedence: Bulk
Subject: Info-Hams Digest V94 #357
To: Info-Hams
Info-Hams Digest Thu, 31 Mar 94 Volume 94 : Issue 357
Today's Topics:
Ham Radio FTP area on World
Kill that intermod!
ORBS$091.2L.AMSAT
ORBS$091.MICRO.AMSAT
ORBS$091.OSCAR.AMSAT
ORBS$091.WEATH.AMSAT
Welcome to rec.radio.info!
Send Replies or notes for publication to: <Info-Hams@UCSD.Edu>
Send subscription requests to: <Info-Hams-REQUEST@UCSD.Edu>
Problems you can't solve otherwise to brian@ucsd.edu.
Archives of past issues of the Info-Hams Digest are available
(by FTP only) from UCSD.Edu in directory "mailarchives/info-hams".
We trust that readers are intelligent enough to realize that all text
herein consists of personal comments and does not represent the official
policies or positions of any party. Your mileage may vary. So there.
----------------------------------------------------------------------
Date: Wed, 30 Mar 1994 21:00:19 MST
From: tribune.usask.ca!kakwa.ucs.ualberta.ca!quartz.ucs.ualberta.ca!alberta!ve6mgs!rec-radio-info@decwrl.dec.com
Subject: Ham Radio FTP area on World
To: info-hams@ucsd.edu
This is a periodic reminder that the Boston Amateur Radio Club maintains an
FTP area on world.std.com (192.74.137.5) in pub/hamradio.
This area is accessible via: anonymous ftp, gopher, and World Wide Web
(and possibly other methods I'm not yet aware of). World is not
*fsp*-able yet (I asked them).
Via Gopher, the easiest path to the area is by selecting the following
from World's main menu:
18. Membership and Professional Associations
3. Boston Amateur Radio Club
And go from there...
Please feel free to browse through the area.
If anyone has any questions about it, please do not hesitate to e-mail me.
Also, up-to-date copies of the files on the ARRL's information server
(info@arrl.org) are available in the directory pub/hamradio/ARRL/Server-files.
All text files are uncompressed, so they are both retrievable and
viewable via Gopher and World Wide Web. (If you have any troubles with
any text file, please e-mail me).
Source code for programs is always welcome. It can permit people to use
those programs on other computers with other operating systems.
Scott
------------------------------
Date: 31 Mar 1994 21:59:11 GMT
From: ihnp4.ucsd.edu!dog.ee.lbl.gov!agate!kabuki.EECS.Berkeley.EDU!kennish@network.ucsd.edu
Subject: Kill that intermod!
To: info-hams@ucsd.edu
In article <CnJpA6.6C@srgenprp.sr.hp.com>, Alan Bloom <alanb@sr.hp.com> wrote:
>The only problem is that it might be hard to get at the output of the
>radio's front-end filter for testing. Another method to obtain the
>same information would be to plot the 3rd-order intercept point as a
>function of tone spacing. Plot it with tone spacing (frequency)
>on a logarithmic axis so you can get in-band and out-of-band info
>on the same chart. That would actually be more useful information
>than Ken's method.
How about just using the squelch break as an indicator. That's
the event that is annoying anyhow, and that's what the user
will see. The problem with the IP3 vs. tone spacing is that
you have lots of combinations. A 5 MHz spacing in band may
behave differently than 5 MHZ out of band since the overall
sensitivity is different. If you know what level of
signals cause the non-linearity, and know the transfer function,
you will be able to compute the intermod rejection the tone
pair of your choice -- I agree with Al that his method will
create a nice graph, and may be easier to interpret.
>I'm not sure what the block diagrams of these radios look like, but if
>they are using a low-frequency first IF (10.7 or 21.4 MHz) without
>image-reject mixers, then the image rejection will be 0 dB. How do
>they get around the problem? Up-convert to a high first IF?
No, use an adjustable image reject filter. My FT-530 has
a set of three varactor tuned IR filters in the front end.
Works for image rejection, horrible for intermod. That's how
an old analog AM radio works, though they use a set of auxiliary
caps in the main tuning capacitor instead of varactors.
The FT-530 uses a single BJT for a mixer for UHF, and a single
JFET for VHF -- yes CHEAP CHEAP CHEAP
The Yaesu uses a 15.25 MHz for VHF and 47.225 MHz for UHF.
I suppose it would have been better for them to use a high
IF for VHF also, but then you get IF interference when in
dual band receive. Gee, I wonder how ICOM is dealing with
these problems in their tri-bander.....
-Ken
------------------------------
Date: 1 Apr 94 03:53:00 GMT
From: news-mail-gateway@ucsd.edu
Subject: ORBS$091.2L.AMSAT
To: info-hams@ucsd.edu
SB KEPS @ AMSAT $ORBS-091.N
2Line Orbital Elements 091.AMSAT
HR AMSAT ORBITAL ELEMENTS FOR AMATEUR SATELLITES IN NASA FORMAT
FROM WA5QGD FORT WORTH,TX April 1, 1994
BID: $ORBS-091.N
DECODE 2-LINE ELSETS WITH THE FOLLOWING KEY:
1 AAAAAU 00 0 0 BBBBB.BBBBBBBB .CCCCCCCC 00000-0 00000-0 0 DDDZ
2 AAAAA EEE.EEEE FFF.FFFF GGGGGGG HHH.HHHH III.IIII JJ.JJJJJJJJKKKKKZ
KEY: A-CATALOGNUM B-EPOCHTIME C-DECAY D-ELSETNUM E-INCLINATION F-RAAN
G-ECCENTRICITY H-ARGPERIGEE I-MNANOM J-MNMOTION K-ORBITNUM Z-CHECKSUM
TO ALL RADIO AMATEURS BT
AO-10
1 14129U 83058B 94090.04857020 -.00000126 00000-0 10000-3 0 2727
2 14129 27.1828 334.6164 6021586 166.4731 222.3171 2.05878019 81175
UO-11
1 14781U 84021B 94088.54614116 .00000310 00000-0 60435-4 0 6772
2 14781 97.7907 106.9891 0011724 159.5745 200.5932 14.69179967538610
RS-10/11
1 18129U 87054A 94087.86953292 .00000048 00000-0 35789-4 0 8859
2 18129 82.9247 28.2040 0010048 247.5026 112.5060 13.72333957338899
AO-13
1 19216U 88051B 94089.57476926 -.00000405 00000-0 10000-4 0 8979
2 19216 57.8673 260.4952 7210521 338.0957 2.2906 2.09726187 44366
FO-20
1 20480U 90013C 94089.46791516 -.00000026 00000-0 82466-5 0 6724
2 20480 99.0274 256.2045 0541263 157.7469 204.8111 12.83224806194031
AO-21
1 21087U 91006A 94087.23338553 .00000093 00000-0 82657-4 0 4487
2 21087 82.9383 202.5987 0035057 312.0281 47.7812 13.74536472158468
RS-12/13
1 21089U 91007A 94087.91832396 .00000073 00000-0 62203-4 0 6754
2 21089 82.9180 70.9759 0029421 335.5442 24.4319 13.74038100157622
ARSENE
1 22654U 93031B 94089.09349977 -.00000105 00000-0 00000 0 0 2486
2 22654 1.5156 104.5135 2923641 175.5080 188.1427 1.42202601 77
UO-14
1 20437U 90005B 94089.78002368 .00000055 00000-0 38442-4 0 9775
2 20437 98.5902 175.6151 0011994 63.2614 296.9794 14.29833748218380
AO-16
1 20439U 90005D 94089.20880979 .00000052 00000-0 37099-4 0 7778
2 20439 98.6002 176.2024 0012329 65.1942 295.0533 14.29888159218318
DO-17
1 20440U 90005E 94089.24080620 .00000063 00000-0 41255-4 0 7769
2 20440 98.5996 176.5305 0012438 64.3153 295.9310 14.30027317218339
WO-18
1 20441U 90005F 94090.19431294 .00000051 00000-0 36697-4 0 7786
2 20441 98.6012 177.4806 0013046 61.5324 298.7177 14.30002526218473
LO-19
1 20442U 90005G 94089.26815097 .00000060 00000-0 40132-4 0 7767
2 20442 98.6013 176.8020 0013338 63.8292 296.4260 14.30097329218359
UO-22
1 21575U 91050B 94088.19621400 .00000082 00000-0 42436-4 0 4782
2 21575 98.4399 164.2896 0007602 162.2933 197.8526 14.36902851141598
KO-23
1 22077U 92052B 94089.40023487 -.00000037 00000-0 10000-3 0 3735
2 22077 66.0807 84.9415 0012132 306.9711 53.0198 12.86285590 76650
AO-27
1 22825U 93061C 94090.23004933 .00000064 00000-0 43978-4 0 2745
2 22825 98.6599 166.8062 0009628 75.4070 284.8171 14.27615820 26560
IO-26
1 22826U 93061D 94090.21670618 .00000050 00000-0 37923-4 0 2741
2 22826 98.6600 166.8192 0010132 76.2498 283.9812 14.27718516 26561
KO-25
1 22830U 93061H 94089.19391177 .00000061 00000-0 41952-4 0 2773
2 22830 98.5601 163.8935 0012606 49.5068 310.7222 14.28043381 26423
NOAA-9
1 15427U 84123A 94081.96146229 .00000121 00000-0 88127-4 0 7596
2 15427 99.0648 131.4010 0015937 101.6666 258.6297 14.13600524478169
NOAA-10
1 16969U 86073A 94082.90887763 .00000064 00000-0 45657-4 0 6589
2 16969 98.5123 94.5094 0012333 216.3165 143.7179 14.24874536390466
MET-2/17
1 18820U 88005A 94089.18881615 .00000060 00000-0 40354-4 0 2751
2 18820 82.5443 331.4359 0018219 45.0857 315.1779 13.84712261311424
MET-3/2
1 19336U 88064A 94089.83574800 .00000051 00000-0 10000-3 0 2727
2 19336 82.5443 19.1260 0018339 97.2779 263.0433 13.16965918272948
NOAA-11
1 19531U 88089A 94083.23885812 .00000062 00000-0 58133-4 0 5722
2 19531 99.1670 70.0925 0012545 15.7107 344.4450 14.12969487283226
MET-2/18
1 19851U 89018A 94089.36906685 .00000056 00000-0 36961-4 0 2749
2 19851 82.5194 206.7454 0015814 87.7360 272.5605 13.84360092256784
MET-3/3
1 20305U 89086A 94090.37821933 .00000044 00000-0 10000-3 0 149
2 20305 82.5542 323.7875 0006847 112.9105 247.2662 13.04412938212758
MET-2/19
1 20670U 90057A 94088.50123196 .00000024 00000-0 79036-5 0 7761
2 20670 82.5419 271.7609 0017267 14.3017 345.8619 13.84189951189594
FY-1/2
1 20788U 90081A 94090.21888621 -.00000052 00000-0 -61897-5 0 9301
2 20788 98.8335 112.8405 0013476 222.0473 137.9657 14.01311217182780
MET-2/20
1 20826U 90086A 94089.84563327 .00000049 00000-0 31369-4 0 7851
2 20826 82.5242 208.2980 0011952 268.4342 91.5449 13.83575783176926
MET-3/4
1 21232U 91030A 94089.43280640 .00000051 00000-0 10000-3 0 6830
2 21232 82.5388 225.2547 0014229 26.7101 333.4745 13.16460745140997
NOAA-12
1 21263U 91032A 94074.00396538 .00000180 00000-0 10013-3 0 9646
2 21263 98.6278 103.8182 0013418 145.8585 214.3456 14.22379795147143
MET-3/5
1 21655U 91056A 94088.27818630 .00000051 00000-0 10000-3 0 6902
2 21655 82.5574 173.1754 0014560 41.6370 318.5859 13.16828652125949
MET-2/21
1 22782U 93055A 94089.43710956 .00000034 00000-0 16948-4 0 2855
2 22782 82.5458 268.8400 0023835 84.7709 275.6182 13.83003171 29200
POSAT
1 22829U 93061G 94089.68812903 .00000066 00000-0 44108-4 0 2670
2 22829 98.6555 166.3095 0011064 65.4928 294.7409 14.28014942 26490
MIR
1 16609U 86017A 94090.25081547 .00008348 00000-0 11343-3 0 5497
2 16609 51.6462 216.9197 0015558 91.3363 268.9434 15.58441517493803
HUBBLE
1 20580U 90037B 94089.87951733 .00001063 00000-0 91113-4 0 4621
2 20580 28.4691 18.9736 0006088 352.0216 8.0277 14.90551165 17696
GRO
1 21225U 91027B 94087.37564364 .00004639 00000-0 10470-3 0 771
2 21225 28.4619 72.9760 0003357 25.2579 334.8185 15.40487736 44468
UARS
1 21701U 91063B 94088.55112080 -.00002513 00000-0 -19868-3 0 4983
2 21701 56.9828 118.1810 0004332 96.2144 263.9383 14.96463997139015
/EX
------------------------------
Date: 1 Apr 94 03:47:00 GMT
From: news-mail-gateway@ucsd.edu
Subject: ORBS$091.MICRO.AMSAT
To: info-hams@ucsd.edu
SB KEPS @ AMSAT $ORBS-091.D
Orbital Elements 091.MICROS
HR AMSAT ORBITAL ELEMENTS FOR THE MICROSATS
FROM WA5QGD FORT WORTH,TX April 1, 1994
BID: $ORBS-091.D
TO ALL RADIO AMATEURS BT
Satellite: UO-14
Catalog number: 20437
Epoch time: 94089.78002368
Element set: 977
Inclination: 98.5902 deg
RA of node: 175.6151 deg
Eccentricity: 0.0011994
Arg of perigee: 63.2614 deg
Mean anomaly: 296.9794 deg
Mean motion: 14.29833748 rev/day
Decay rate: 5.5e-07 rev/day^2
Epoch rev: 21838
Checksum: 351
Satellite: AO-16
Catalog number: 20439
Epoch time: 94089.20880979
Element set: 777
Inclination: 98.6002 deg
RA of node: 176.2024 deg
Eccentricity: 0.0012329
Arg of perigee: 65.1942 deg
Mean anomaly: 295.0533 deg
Mean motion: 14.29888159 rev/day
Decay rate: 5.2e-07 rev/day^2
Epoch rev: 21831
Checksum: 325
Satellite: DO-17
Catalog number: 20440
Epoch time: 94089.24080620
Element set: 776
Inclination: 98.5996 deg
RA of node: 176.5305 deg
Eccentricity: 0.0012438
Arg of perigee: 64.3153 deg
Mean anomaly: 295.9310 deg
Mean motion: 14.30027317 rev/day
Decay rate: 6.3e-07 rev/day^2
Epoch rev: 21833
Checksum: 297
Satellite: WO-18
Catalog number: 20441
Epoch time: 94090.19431294
Element set: 778
Inclination: 98.6012 deg
RA of node: 177.4806 deg
Eccentricity: 0.0013046
Arg of perigee: 61.5324 deg
Mean anomaly: 298.7177 deg
Mean motion: 14.30002526 rev/day
Decay rate: 5.1e-07 rev/day^2
Epoch rev: 21847
Checksum: 294
Satellite: LO-19
Catalog number: 20442
Epoch time: 94089.26815097
Element set: 776
Inclination: 98.6013 deg
RA of node: 176.8020 deg
Eccentricity: 0.0013338
Arg of perigee: 63.8292 deg
Mean anomaly: 296.4260 deg
Mean motion: 14.30097329 rev/day
Decay rate: 6.0e-07 rev/day^2
Epoch rev: 21835
Checksum: 312
Satellite: UO-22
Catalog number: 21575
Epoch time: 94088.19621400
Element set: 478
Inclination: 98.4399 deg
RA of node: 164.2896 deg
Eccentricity: 0.0007602
Arg of perigee: 162.2933 deg
Mean anomaly: 197.8526 deg
Mean motion: 14.36902851 rev/day
Decay rate: 8.2e-07 rev/day^2
Epoch rev: 14159
Checksum: 332
Satellite: KO-23
Catalog number: 22077
Epoch time: 94089.40023487
Element set: 373
Inclination: 66.0807 deg
RA of node: 84.9415 deg
Eccentricity: 0.0012132
Arg of perigee: 306.9711 deg
Mean anomaly: 53.0198 deg
Mean motion: 12.86285590 rev/day
Decay rate: -3.7e-07 rev/day^2
Epoch rev: 7665
Checksum: 306
Satellite: AO-27
Catalog number: 22825
Epoch time: 94090.23004933
Element set: 274
Inclination: 98.6599 deg
RA of node: 166.8062 deg
Eccentricity: 0.0009628
Arg of perigee: 75.4070 deg
Mean anomaly: 284.8171 deg
Mean motion: 14.27615820 rev/day
Decay rate: 6.4e-07 rev/day^2
Epoch rev: 2656
Checksum: 317
Satellite: IO-26
Catalog number: 22826
Epoch time: 94090.21670618
Element set: 274
Inclination: 98.6600 deg
RA of node: 166.8192 deg
Eccentricity: 0.0010132
Arg of perigee: 76.2498 deg
Mean anomaly: 283.9812 deg
Mean motion: 14.27718516 rev/day
Decay rate: 5.0e-07 rev/day^2
Epoch rev: 2656
Checksum: 309
Satellite: KO-25
Catalog number: 22830
Epoch time: 94089.19391177
Element set: 277
Inclination: 98.5601 deg
RA of node: 163.8935 deg
Eccentricity: 0.0012606
Arg of perigee: 49.5068 deg
Mean anomaly: 310.7222 deg
Mean motion: 14.28043381 rev/day
Decay rate: 6.1e-07 rev/day^2
Epoch rev: 2642
Checksum: 300
/EX
------------------------------
Date: 1 Apr 94 03:45:00 GMT
From: news-mail-gateway@ucsd.edu
Subject: ORBS$091.OSCAR.AMSAT
To: info-hams@ucsd.edu
SB KEPS @ AMSAT $ORBS-091.O
Orbital Elements 091.OSCAR
HR AMSAT ORBITAL ELEMENTS FOR OSCAR SATELLITES
FROM WA5QGD FORT WORTH,TX April 1, 1994
BID: $ORBS-091.O
TO ALL RADIO AMATEURS BT
Satellite: AO-10
Catalog number: 14129
Epoch time: 94090.04857020
Element set: 272
Inclination: 27.1828 deg
RA of node: 334.6164 deg
Eccentricity: 0.6021586
Arg of perigee: 166.4731 deg
Mean anomaly: 222.3171 deg
Mean motion: 2.05878019 rev/day
Decay rate: -1.26e-06 rev/day^2
Epoch rev: 8117
Checksum: 283
Satellite: UO-11
Catalog number: 14781
Epoch time: 94088.54614116
Element set: 677
Inclination: 97.7907 deg
RA of node: 106.9891 deg
Eccentricity: 0.0011724
Arg of perigee: 159.5745 deg
Mean anomaly: 200.5932 deg
Mean motion: 14.69179967 rev/day
Decay rate: 3.10e-06 rev/day^2
Epoch rev: 53861
Checksum: 341
Satellite: RS-10/11
Catalog number: 18129
Epoch time: 94087.86953292
Element set: 885
Inclination: 82.9247 deg
RA of node: 28.2040 deg
Eccentricity: 0.0010048
Arg of perigee: 247.5026 deg
Mean anomaly: 112.5060 deg
Mean motion: 13.72333957 rev/day
Decay rate: 4.8e-07 rev/day^2
Epoch rev: 33889
Checksum: 316
Satellite: AO-13
Catalog number: 19216
Epoch time: 94089.57476926
Element set: 897
Inclination: 57.8673 deg
RA of node: 260.4952 deg
Eccentricity: 0.7210521
Arg of perigee: 338.0957 deg
Mean anomaly: 2.2906 deg
Mean motion: 2.09726187 rev/day
Decay rate: -4.05e-06 rev/day^2
Epoch rev: 4436
Checksum: 338
Satellite: FO-20
Catalog number: 20480
Epoch time: 94089.46791516
Element set: 672
Inclination: 99.0274 deg
RA of node: 256.2045 deg
Eccentricity: 0.0541263
Arg of perigee: 157.7469 deg
Mean anomaly: 204.8111 deg
Mean motion: 12.83224806 rev/day
Decay rate: -2.6e-07 rev/day^2
Epoch rev: 19403
Checksum: 305
Satellite: AO-21
Catalog number: 21087
Epoch time: 94087.23338553
Element set: 448
Inclination: 82.9383 deg
RA of node: 202.5987 deg
Eccentricity: 0.0035057
Arg of perigee: 312.0281 deg
Mean anomaly: 47.7812 deg
Mean motion: 13.74536472 rev/day
Decay rate: 9.3e-07 rev/day^2
Epoch rev: 15846
Checksum: 318
Satellite: RS-12/13
Catalog number: 21089
Epoch time: 94087.91832396
Element set: 675
Inclination: 82.9180 deg
RA of node: 70.9759 deg
Eccentricity: 0.0029421
Arg of perigee: 335.5442 deg
Mean anomaly: 24.4319 deg
Mean motion: 13.74038100 rev/day
Decay rate: 7.3e-07 rev/day^2
Epoch rev: 15762
Checksum: 315
Satellite: ARSENE
Catalog number: 22654
Epoch time: 94089.09349977
Element set: 248
Inclination: 1.5156 deg
RA of node: 104.5135 deg
Eccentricity: 0.2923641
Arg of perigee: 175.5080 deg
Mean anomaly: 188.1427 deg
Mean motion: 1.42202601 rev/day
Decay rate: -1.05e-06 rev/day^2
Epoch rev: 7
Checksum: 273
/EX
------------------------------
Date: 1 Apr 94 03:49:00 GMT
From: news-mail-gateway@ucsd.edu
Subject: ORBS$091.WEATH.AMSAT
To: info-hams@ucsd.edu
SB KEPS @ AMSAT $ORBS-091.W
Orbital Elements 091.WEATHER
HR AMSAT ORBITAL ELEMENTS FOR WEATHER SATELLITES
FROM WA5QGD FORT WORTH,TX April 1, 1994
BID: $ORBS-091.W
TO ALL RADIO AMATEURS BT
Satellite: NOAA-9
Catalog number: 15427
Epoch time: 94081.96146229
Element set: 759
Inclination: 99.0648 deg
RA of node: 131.4010 deg
Eccentricity: 0.0015937
Arg of perigee: 101.6666 deg
Mean anomaly: 258.6297 deg
Mean motion: 14.13600524 rev/day
Decay rate: 1.21e-06 rev/day^2
Epoch rev: 47816
Checksum: 312
Satellite: NOAA-10
Catalog number: 16969
Epoch time: 94082.90887763
Element set: 658
Inclination: 98.5123 deg
RA of node: 94.5094 deg
Eccentricity: 0.0012333
Arg of perigee: 216.3165 deg
Mean anomaly: 143.7179 deg
Mean motion: 14.24874536 rev/day
Decay rate: 6.4e-07 rev/day^2
Epoch rev: 39046
Checksum: 336
Satellite: MET-2/17
Catalog number: 18820
Epoch time: 94089.18881615
Element set: 275
Inclination: 82.5443 deg
RA of node: 331.4359 deg
Eccentricity: 0.0018219
Arg of perigee: 45.0857 deg
Mean anomaly: 315.1779 deg
Mean motion: 13.84712261 rev/day
Decay rate: 6.0e-07 rev/day^2
Epoch rev: 31142
Checksum: 311
Satellite: MET-3/2
Catalog number: 19336
Epoch time: 94089.83574800
Element set: 272
Inclination: 82.5443 deg
RA of node: 19.1260 deg
Eccentricity: 0.0018339
Arg of perigee: 97.2779 deg
Mean anomaly: 263.0433 deg
Mean motion: 13.16965918 rev/day
Decay rate: 5.1e-07 rev/day^2
Epoch rev: 27294
Checksum: 324
Satellite: NOAA-11
Catalog number: 19531
Epoch time: 94083.23885812
Element set: 572
Inclination: 99.1670 deg
RA of node: 70.0925 deg
Eccentricity: 0.0012545
Arg of perigee: 15.7107 deg
Mean anomaly: 344.4450 deg
Mean motion: 14.12969487 rev/day
Decay rate: 6.2e-07 rev/day^2
Epoch rev: 28322
Checksum: 300
Satellite: MET-2/18
Catalog number: 19851
Epoch time: 94089.36906685
Element set: 274
Inclination: 82.5194 deg
RA of node: 206.7454 deg
Eccentricity: 0.0015814
Arg of perigee: 87.7360 deg
Mean anomaly: 272.5605 deg
Mean motion: 13.84360092 rev/day
Decay rate: 5.6e-07 rev/day^2
Epoch rev: 25678
Checksum: 341
Satellite: MET-3/3
Catalog number: 20305
Epoch time: 94090.37821933
Element set: 14
Inclination: 82.5542 deg
RA of node: 323.7875 deg
Eccentricity: 0.0006847
Arg of perigee: 112.9105 deg
Mean anomaly: 247.2662 deg
Mean motion: 13.04412938 rev/day
Decay rate: 4.4e-07 rev/day^2
Epoch rev: 21275
Checksum: 284
Satellite: MET-2/19
Catalog number: 20670
Epoch time: 94088.50123196
Element set: 776
Inclination: 82.5419 deg
RA of node: 271.7609 deg
Eccentricity: 0.0017267
Arg of perigee: 14.3017 deg
Mean anomaly: 345.8619 deg
Mean motion: 13.84189951 rev/day
Decay rate: 2.4e-07 rev/day^2
Epoch rev: 18959
Checksum: 337
Satellite: FY-1/2
Catalog number: 20788
Epoch time: 94090.21888621
Element set: 930
Inclination: 98.8335 deg
RA of node: 112.8405 deg
Eccentricity: 0.0013476
Arg of perigee: 222.0473 deg
Mean anomaly: 137.9657 deg
Mean motion: 14.01311217 rev/day
Decay rate: -5.2e-07 rev/day^2
Epoch rev: 18278
Checksum: 300
Satellite: MET-2/20
Catalog number: 20826
Epoch time: 94089.84563327
Element set: 785
Inclination: 82.5242 deg
RA of node: 208.2980 deg
Eccentricity: 0.0011952
Arg of perigee: 268.4342 deg
Mean anomaly: 91.5449 deg
Mean motion: 13.83575783 rev/day
Decay rate: 4.9e-07 rev/day^2
Epoch rev: 17692
Checksum: 340
Satellite: MET-3/4
Catalog number: 21232
Epoch time: 94089.43280640
Element set: 683
Inclination: 82.5388 deg
RA of node: 225.2547 deg
Eccentricity: 0.0014229
Arg of perigee: 26.7101 deg
Mean anomaly: 333.4745 deg
Mean motion: 13.16460745 rev/day
Decay rate: 5.1e-07 rev/day^2
Epoch rev: 14099
Checksum: 293
Satellite: NOAA-12
Catalog number: 21263
Epoch time: 94074.00396538
Element set: 964
Inclination: 98.6278 deg
RA of node: 103.8182 deg
Eccentricity: 0.0013418
Arg of perigee: 145.8585 deg
Mean anomaly: 214.3456 deg
Mean motion: 14.22379795 rev/day
Decay rate: 1.80e-06 rev/day^2
Epoch rev: 14714
Checksum: 320
Satellite: MET-3/5
Catalog number: 21655
Epoch time: 94088.27818630
Element set: 690
Inclination: 82.5574 deg
RA of node: 173.1754 deg
Eccentricity: 0.0014560
Arg of perigee: 41.6370 deg
Mean anomaly: 318.5859 deg
Mean motion: 13.16828652 rev/day
Decay rate: 5.1e-07 rev/day^2
Epoch rev: 12594
Checksum: 321
Satellite: MET-2/21
Catalog number: 22782
Epoch time: 94089.43710956
Element set: 285
Inclination: 82.5458 deg
RA of node: 268.8400 deg
Eccentricity: 0.0023835
Arg of perigee: 84.7709 deg
Mean anomaly: 275.6182 deg
Mean motion: 13.83003171 rev/day
Decay rate: 3.4e-07 rev/day^2
Epoch rev: 2920
Checksum: 311
/EX
------------------------------
Date: Wed, 30 Mar 1994 21:00:13 MST
From: tribune.usask.ca!kakwa.ucs.ualberta.ca!quartz.ucs.ualberta.ca!alberta!ve6mgs!rec-radio-info@decwrl.dec.com
Subject: Welcome to rec.radio.info!
To: info-hams@ucsd.edu
Archive-name: radio/rec-radio-info/welcome
Last-modified: $Date: 1994/01/02 22:00 $
Version: $Revision: 1.06 $
*** Welcome to rec.radio.info! ***
Welcome to rec.radio.info, a group that aims to provide a noise-free source
of information and news for the entire rec.radio hierarchy.
Two introductory articles about rec.radio.info are posted to the group and
to news.answers every two weeks. You are now reading the first article, which
explains what rec.radio.info is, and answers some Frequently Asked Questions.
The second article is titled "Submission Guidelines", and you only need to
read it if you want to submit an article to rec.radio.info.
You can skip to the next section of this article by searching for the next
" -- " string. The sections available are:
- What is the purpose of rec.radio.info?
- Why are messages almost always cross posted to rec.radio.info?
- What is a 'follow-up', and what does 'moderated' mean?
- OK, so now I know what 'moderated' means. Tell me more.
- What type of material is considered inappropriate?
- I do not have access to news, how can I get the information posted to
rec.radio.info?
- Will the material appearing in rec.radio.info be archived somewhere?
- I have a regular posting with timely information, is there a way to
speed up it's delivery, or automate for more convenience?
-- What is the purpose of rec.radio.info?
The purpose or charter of rec.radio.info is to provide the Usenet community with
a resource for information, news, and facts about any and all things radio.
All the other rec.radio groups are intended for discussions and general chit
chat about radio. Rec.radio.info will contain informational, factual articles
only. Follow-ups are redirected to an appropriate other group, and further
discussion (if any) will not take place in rec.radio.info.
In order to ensure that rec.radio.info contains only appropriate articles, it
was decided to create the group as a moderated newsgroup.
-- Why are messages almost always cross posted to rec.radio.info?
It provides a "tag" for each article to be assembled into a filtered
presentation in rec.radio.info (even with cross-posting, only one message, with
a unique Message-ID, is propogated across the net). This tag also facilitates
a pre-existing method of dropping or cancelling the articles locally within the
discussion groups if you don't want to see them. This accommodates individuals
who want to separate the bulletins from the discussions, discussions from the
bulletins, as well as those who are adamant about not reading another
newsgroup and wanted to see everything all in one basket.
With the total size of Usenet (in number of newsgroups and total traffic)
doubling every year or so, this is no insignificant contribution to reducing
information noise and chaos. Making the discussion groups a catch-all, and
making extra newsgroups filters on that catch-all, is also the most realistic
way to implement such a scheme (It's not intuitively obvious what the charter,
contents, and general appropriate topics for each and every newsgroup are.
Seeing FAQ's and charter/intro postings in the home newsgroup is beneficial
for new readers).
By cross-posting one only is adding a few tens of bytes to each bulletin (to
specify the extra group on the Newsgroups line), but are adding the capability
for very powerful filtering features available on most news servers,
listservers and readers. Your local news guru could probably explain these
features in more detail.
In rn, for example, according to Leanne Phillips in her rn kill-file FAQ, add
a line of the form:
/Newsgroups:.*[ ,]rec\.radio\.info/h:j
either in ~/News/KILL (if you don't want to see rec.radio.info articles
anywhere) or ~/News/rec/radio/amateur/misc/KILL (if you don't want to see them
just in rec.radio.amateur.misc). The latter method means your kill file will
only be consulted during rec.radio.amateur.misc (and hence runs more
efficiently), and will probably work for most people.
In nn, according to Bill Wohler in his nn FAQ, add a line of the form:
rec.radio.info:!s/:^
in ~/.nn/kill (if you don't want to see rec.radio.info articles anywhere), or
put the following lines:
sequence
rec.radio.info
rec.radio.
at the end of ~/.nn/init in order to see all the rec.radio.info bulletins first,
then read the remaining rec.radio.* without the bulletins.
-- What is a 'follow-up', and what does 'moderated' mean?
If you are new to Usenet and are not familiar with the terminology, you might
want to read the general introductory articles found in the newsgroup
news.announce.newusers. Doing so will make your life on the net much easier,
and will probably save you from making silly beginner's mistakes.
If you think that at this moment you are reading an echo, a conference, or
a bulletin board, I'd also strongly suggest a trip over to
news.announce.newusers.
For the rest of this article, I will assume you have a basic knowledge of
Usenet terminology and mechanics.
A moderated group means that any article that needs to be posted to the group
has to be accepted by the moderator of the group. Since we need to ensure that
followups to an article (discussion) do not show up in the rec.radio.info
newsgroup, the `Followup-To:' header line contains a newsgroup that is
appropriate for disussions about the specific article.
-- OK, so now I know what 'moderated' means. Tell me more.
Rec.radio.info is a moderated newsgroup, which means that all articles
submitted to the group will have to be approved by the moderator first.
The current moderator of the group is Mark Salyzyn. Submissions to
rec.radio.info can be posted, or e-mailed to:
rec-radio-info@ve6mgs.ampr.ab.ca
Comments, criticisms, suggestions or questions about the group can be e-mailed
to:
rec-radio-request@ve6mgs.ampr.ab.ca
But before you do so, please be sure to check out the "Submission Guidelines"
article.
The influence of the moderator should be minimal and of an administrative
nature, consisting chiefly of weeding out obviously inappropriate articles,
while making sure correct headers etc. are used for the appropriate ones.
-- What type of material is considered inappropriate?
There are three broad categories of articles which will be rejected by the
moderator:
1) Requests for information: rec.radio.info is strictly a one-way street. I
receive information in my mailbox; I then post it to rec.radio.info.
Requests for specific information belong in the normal discussion newsgroups.
If your request gets answered, you might consider passing the answer on to
rec.radio.info, though. Especially if you can edit it into a informational,
rather than a discussion, format.
2) Obvious discussion articles, or articles that appear unsubstantiated.
3) Commercial stuff: a relatively unbiased test of a radio product would be
accepted, but any hint of for-profit might be reason for rejection. For three
reasons: This is not the purpose of the list, for-profit is a controversial
topic, and this list may be passed onto Amateur Packet Radio (where
for-profit is prohibited except under certain provisos).
rec.radio.swap (or possibly comp.newprod) may be more deserving of the
posting in any matter.
Similarly, copyrighted material generally cannot be used. If it's TRULY
worthwhile to the net, I would recommend obtaining permission from the
copyright holder. Please note the source, and if permission was given. I
reserve the right to make the final decision concerning appropriateness in
all situations. In most cases, a brief summary of, or pointer to, the
copyrighted information may be all I can allow.
-- I do not have access to news, how can I get the information posted to
rec.radio.info?
brian@UCSD.EDU (Brian Kantor) has kindly supplied a mail list server for
rec.radio.info. Non of the articles will be digested, due to their size, so
you will receive individual mailings for every article posted to the group.
Mail sent to radio-info@ucsd.edu will be forwarded to the moderator and
thus is an alias to rec-radio-info@ve6mgs.ampr.ab.ca
To subscribe and unsubscribe via the listserver; the format for that is
sub address radio-info
unsub address radio-info
where 'address' is your full mailing address. Send this request to
listserv@ucsd.edu
Note that the server will automatically delete any address that bounces mail.
If you leave the address portion blank, it will try to deduce your address
from the mail headers. This may not work if you are on bitnet, milnet or
some other non-Unix host, so it is recommended to put your return address
in any case. For example:
sub mymailbox@myhost.mydomain.mil radio-info
or
sub MEMEME01@DMBHST.bitnet radio-info
or something like that.
-- Will the material appearing in rec.radio.info be archived somewhere?
Yes. Still firming up details at the moment but here is a preliminary list:
- unbc.edu as maintained by Lyndon Nerenberg <lyndon@unbc.edu>
- nic.funet.fi maintained by Risto Kotalampi <rko@cs.tut.fi>
saved to /pub/dx/text/rec.radio.info currently stored as
numbered files.
Effectively this means that anything you post to rec.radio.info will be
permanently stored, so your work will not be lost.
-- I have a regular posting with timely information, is there a way to
speed up it's delivery, or automate for more convenience?
Yes, there is! It may take a bit of chatter with the moderator, but we are
willing to take responsible people and provide them the means of posting the
articles directly from their site. We will try everything we can as we fully
realize that DX (distant signal) and astronomical data can be somewhat
transitory. We are also willing to allow regular posters of information the
same courtesy, even if the information is not as time critical.
We refer to this as self-moderation, which is partly based on the model for
news.answer. This requires co-operation and good will to be beneficial to
the community in the rec.radio hierarchy.
I suggest reading the posting guidelines for more information. I am open to
suggestions.
I thank the following individuals for their input into this article:
rec.music.info moderator Leo Breebaart rec-music-info@cp.tn.tudelft.nl
rec.radio.broadcasting moderator Bill Pfeiffer wdp@gagme.chi.il.us
Paul W. Schleck, KD3FU pschleck@unomaha.edu
Ian Kluft, KD6EUI ikluft@uts.amdahl.com
--
Mark Salyzyn -- Moderator rec.radio.info
Submissions to: rec-radio-info@ve6mgs.ampr.ab.ca
Administrivia to: rec-radio-request@ve6mgs.ampr.ab.ca
* Requests for information do *not* belong in rec.radio.info *
------------------------------
End of Info-Hams Digest V94 #357
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