Satellites

Contents:
  1. Tracking
  2. r2cloud Tracking Software
  3. ISS
  4. APRS
  5. Rotators
  6. Antenna Actuators
  7. ISS Slow Scan TV (SSTV)
  8. VK4ZQ - Amateur Radio with an Emphasis on Satellites, Portable and Microwaves
  9. Fox Delta Postion Control Box
  10. pstRotor.EXE by YO3DMU
  11. grepdict
  12. LimeSDR
  13. References

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Contents:
  1. Tracking
  2. r2cloud Tracking Software
  3. ISS
  4. gpredict
  5. Rotators
  6. Antenna Actuators
  7. ISS Slow Scan TV (SSTV)
  8. Earth Geometry
  9. VK4ZQ - Amateur Radio with an Emphasis on Satellites, Portable and Microwaves
  10. Fox Delta Postion Control Box
  11. pstRotor.EXE by YO3DMU
  12. References


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Tracking

http://www.aprs.org/LEO-tracking.html

Satellite Info Servers by WB4APR, Bob Bruninga:
http://aprs.org/satinfo.html

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r2cloud Tracking Software

r2cloud-diagram.png
Use r2cloud in conjunction with rotctrld from hamlib.

https://github.com/dernasherbrezon/r2cloud



https://www.reddit.com/r/RTLSDR/comments/gyi8zo/satellite_tracking_with_skywatcher_allview_mount/?utm_source=share&utm_medium=web2x

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ISS

https://amsat-uk.org/2015/12/17/iss-sstv-activity-mid-january

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gpredict

http://wiki.oz9aec.net/index.php/Doppler_Tuning_Algorithm_for_Gpredict

http://w7hd.ddns.net/sats/gpredict-radio-control-with-rigctld.pdf

APRS

Digital-Modes/APRS/APRS.html

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Rotators

SatNOGS Rotator v3:
https://wiki.satnogs.org/SatNOGS_Rotator_v3

Also see:
DOSS Remote Automatic Antenna Rotator with Remote Control

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Antenna Actuators

How to build a homebrewElevation system for Amateur Satellites:
http://www.qsl.net/sv1bsx/actuator/actuator.html

Access Antennas

Motion Dyanamics

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ISS Slow Scan TV (SSTV)

https://amsat-uk.org/beginners/iss-sstv/

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VK4ZQ - Amateur Radio with an Emphasis on Satellites, Portable and Microwaves

Working Amateur Radio Satellites Portable - Posted on 14/07/2019:

https://vk4zq.wordpress.com/

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Fox Delta Postion Control Box

Fox Delta supply Amateur Radio Projects & Kits. There are three versions of their Satellite Antenna Tracking Interface.
  1. ST2-RS232 Interface for Yaesu compatible Rotors
  2. ST2-0417 USB: PCB REV 0220
  3. ST2-RS485: For Homebrew Stepper Motor Rotors
Satellite Antenna Tracking Interface: ST2-RS232:

https://www.foxdelta.com/products/st2-rs232.htm

concept.jpg

ST2-RS485 Interface is developed for homebrew Stepper Motor based Antenna Rotators.

Project uses PIC16F876A and is intended to control two stepper motors by a simple hyper-terminal commands or standard Yeasu GS232 type instruction sets running on a PC software, such as SatPC32, Nova etc.

ST2-Rs485 requires a RS485 adapter at PC-side, which can be either a RS232 D9 type or an USB version using CH340 type chip.

Two independent timing circuits are used to control speed of two stepper motors, AZ and EL.

ST2-RS485 KIT PARTS LIST & SCHEMATICS - Controller for Stepper Motors:
https://www.foxdelta.com/products/ST2-RS485/st2-rs485-partslist.pdf

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pstRotor.EXE by YO3DMU

pstRotor-by-yo3dmu.jpg
https://www.qsl.net/yo3dmu/index_Page346.htm

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grepdict



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LimeSDR

https://limemicro.com/products/boards/limesdr/ December 2021:



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References

https://amsat-uk.org

http://www.aprs.org/astars.html

Windows based WXTrack:
https://www.satsignal.eu/software/wxtrack.htm#SGP4

SatNOGS is an integral part of the Libre Space Foundation. The project aims to build a global network of satellite ground stations. It is designed as an open source participatory project based on the users operating a ground station hat is accessed via a web page for all of the network users.
https://wiki.satnogs.org/Main_Page

Facebook - Amateur Radio Satellite Service:
https://www.facebook.com/groups/AmateurRadioSatelliteService/

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Glenn Lyons VK4PK
glenn@LyonsComputer.com.au
Ver:gnl02032018 - pre published v0.9