Supporting Amateur Radio in Essex
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ARISS Slow Scan TV Transmissions Begin Tuesday
ARISS is planning a Slow Scan Television (SSTV) experiment from the International Space Station, scheduled to start on Tuesday, October 8, at 16:00 GMT and running until Monday, October 14, at 14:10 GMT.
There will be an interruption on Friday, October 11, for planned school contacts over Europe.
The transmission frequency will be 145.800 MHz FM, using SSTV mode PD120. The ISS callsign will be RS0ISS.
The SSTV transmissions will be made using the station in the Russian ISS Service Module. The equipment used is a Kenwood D710 transceiver running about 25 watts output which provides a very strong signal enabling reception using simple equipment. Images received by amateurs world-wide during previous transmissions can be seen at http://www.spaceflightsoftware.com/ARISS_SSTV.
Amateurs can receive the SSTV pictures directly from the space station by connecting the audio output of their two-meter transceiver via a simple interface to the soundcard on a Windows PC or an Apple iOS device. On Windows PC’s the free application MMSSTV can be used to decode the signal, on Apple iOS devices you can use the SSTV app for compatible modes. For Linux systems try QSSTV.
The ISS puts out a strong signal so even a 2M handheld with a 1/4 wave antenna will be enough to receive it but one's chances of success are significantly improved with the use of a handheld beam antenna. The FM transmission uses 5 kHz deviation which is standard in much of the world. Many FM rigs can be switched been wide and narrow deviation FM filters. For best results you should select the filter for wider deviation FM. Handhelds all seem to have a single wide filter fitted as standard.
Reports are requested: please send ARISS uploading your decoded pictures in the official ARISS SSTV gallery: https://www.spaceflightsoftware.com/ARISS_SSTV/
Useful information to receive the pictures can be found here at https://amsat-uk.org/beginners/iss-sstv/
Follow ARISS on X for official updates during the event https://x.com/ARISS_Intl.
Peter
M0PWX (not pete M0PSX who runs this site)