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- Documentation for SATELLIT.EXE
- -------------------------------
- DISTRIBUTION/COPYRIGHT
- -----------------------
- The present program is designed for evaluation purposes only. It provides
- full functionality until the date which is presented on the starting screen.
- After this date the calculation procedure does not work correctly!!!
- The software package with all necessary files is freely distributable. It is
- not allowed to change this short documentation.
-
- 1. Program Parameters
-
- * up to 255 different satellites
- * using AMSAT and NORAD format
- * optional calculation of AOS (Appearance Of Satellite) and maximum elevation
- * optional acustic signal triggered by AOS/LOS
- * prediction protocol to textfile
- * prediction also for two sites
- * locator-coordinate-distance computation
- * worldmap with spotlight
- * azimuth-/elevation graphic with optional presentation of horizon
- * information system for particular satellites
- * bi-lingual (English and German)
- * all data files are text-type files
- * selecticve update of element sets when using NORAD format
- * display of the sun terminator
-
- * minimum configuration:
- * PC-AT 286 and above
- * abt. 200kByte disc capacity
- * abt. 400kByte free memory when using graphics
- * EGA/VGA-graphic
-
- * optional:
- * Arithmeticprocessor
- * Mouse
-
- 2. Program Description
-
- The program allows to track up to 255 satellites. The tracking is done
- eigther in real-time or in the delta-t mode. 16 satellites are presented
- simultaneously in the real time table.
-
- The program is controlled by means of the following keys:
-
-
- <Esc>
- The Escape-key is the most important key in the program, for it
- helps (almost) every time to abort the working function.
-
- <ENTER>
- <ENTER> confirms the selected menu items and starts the corres-
- ponding actions.
-
- <CNTRL><ENTER>
- This key combination starts the azimuth-/elevation-diagram for
- the selected satellite.
-
- <CNTRL>S
- ^s activates the satellite search function. Its quite useful if
- a large number of satellites was loaded. It is not necessary to
- use the full name.
-
- Page up/down
- Browses through the satellite list.
-
- Cursor-Keys
- Selects satellites or menu items, respectively.
-
- The following keys help to control the graphic displays:
-
- <TAB> Toggles between the world map and the horizon display.
-
- Page up/down
- Browses through the satellites.
-
- Cursor-Keys
- Control the mouse pointer.
-
-
- It is possible to activate menu items with "hotkeys". Menu items which
- require a satellite as parameter, refer to the selected satellite.
-
- Nevertheless we have tried to design the program interface as easy as
- possible so that you simply should test it out.
-
- Files:
-
- SATELLIT.EXE uses several data files. All these files can be changed by
- the user.
-
- SATELLIT.EXE
- The program itself :-)
- SATELLIT.INI
- Setup file. It is self-explaining. If this file does not exist
- it is automatically generated by the program.
- One new feature was added - multi satellite tracking. If a
- sequence of satellites is specified the program browses through
- this sequence, if you are in world map mode.
- ELEMENTE.DAT
- This file contains the Keplerian data sets of the particular
- satellites. If it contains more than 255 satellites it ignores
- the remaining ones.
- It is possible to use the NORAD-format as well as the
- AMSAT-format. If you get your files from a BBS it is not
- necessary to edit. The program ignores any stuff which does
- not look like data.
-
- IMPORTANT:
- We added a new feature. It is now possible to update element sets
- automatically. To do this use the following procedure:
-
- - choose the 'Information' item for the particular satellite
- - choose 'Update'
- - type the name of the file which contains the new elment set
- for the particular satellite
- - hope that all is ok :-)
-
- NOTE:
- To use the above described feature it is necessary to use
- NORAD/NASA format for element sets for the specified satellite.
- It does NOT work with AMSAT-format.
- You can only update but not add new ones. For an update of all
- satellites it is more convinient to replace the whole file but
- for tracking STS or MIR the selective update obviously has some
- advantages.
-
-
- WELT.MAP
- This file contains data for the world map. Its not quite detailed
- yet but everybody can improve it. (128 objects are allowed)
- LAKES.MAP
- Similiar to welt.map. It contains data of larger lakes.
- SATMODE.DAT
- This file is used for mode control. Please see the example.
- UMGEBUNG.DAT
- In this file everybody can put his horizon-shape. So you know
- the reason why you do not hear the satellite although it has
- a 50° elevation...
-
- SATINFO.TXT/SATINFO.ENG
- Here you can store all information about particular satellites.
- The involved editor is Wordstar-compatible.
- When using English output SATINFO.ENG is involved otherwise
- SATINFO.TXT.
-
- 3. Additional advices - Forecast
-
- If the program seems to be slow then try a Coprocessor. It improves the
- performance quite a lot.
- We did not implement a print-out function yet, although you have the
- corresponding item in the program. If someone wants to print the results he
- can do that be using the text file protocolling. The text file can be printed
- out be the normal DOS print-command.
- There are two several sounds to signal the appearance or the loose of a
- satellit. Morse code "K" -.- means a satellite just appeared and Morse code
- "SK" ...-.- that it disappeared.
- On the graphics displays the doppler shift is computed. Thats the shift in
- frequency caused by the relativ velocity between ground station and satellite.
- Its useful to find your downlink signal quickly. But you have to take into
- account whether you are using an inverting or a non inverting transponder.
-
- noninverting: downlink frequency := downlink frequency (theoretical)
- + uplink shift
- + downlink shift
-
- inverting : downlink frequency := downlink frequency (theoretical)
- + uplink shift
- - downlink shift
-
- Inverting transponders compensate the Doppler shift a bit. OSCAR 13 uses
- an inverting transponder, RS-10 and RS-12 use non inverting transponders.
-
-
- What brings the future?
-
- Obviously it is necessary to implement a rotor control. Hopefully, this will
- be done in the near future.
- The AOS-computation will be done analytically in the next versions.
-
- We spent a lot (some hundreds) of hours designing this program. Nevertheless
- it certainly will contain some bugs. So if you fix any problems it would be
- very kind of you to give us a message.
-
- If you like the program and want to get a full version then simply contact
- us for further information. The fastest way is e-mail...
-
- Here are the ways to contact us:
-
- 1.) DL3HRT AX25: DL3HRT@DB0LPZ.#SAX.DEU.EU
- Karsten Hansky e-mail: hansky@igel.physik.th-zwickau.de
- August-Bebel-Str.14
- 06712 Kretzschau
- GERMANY
-
- 2.) DL3HZM AX25: DL3HZM@DB0LPZ.#SAX.DEU.EU
- Matthias Mitte e-mail: e3daq@mlucom.urz.uni-halle.de
- Wiesenstraße 3
- 06712 Zeitz
- GERMANY
-
- The price for a full version is US $10 if you get the copy by internet. To
- get it by mail additional US $5 are required.
-
- The best way is to transfer the money to the following account:
-
- DEUTSCHE BANK Filiale Zeitz
- BLZ: (code of the bank) 86070000
- Kto-Nr.: (code of account) 6715296
-
-
- Have a lot of fun!!!
-
- DL3HRT, DL3HZM & DE2HAW.
-
-
- PS: The latest version is always available via Internet by anonymous ftp to:
- igel.physik.th-zwickau.de
-
-