The oft-postponed Amateur Radio on the International Space Station (ARISS) slow-scan television (SSTV) event commemorating the 15th anniversary of ARISS will take place this week. According to the schedule, SSTV transmissions will begin on Monday, April 11 at approximately 1825 UTC.

There will be a break on April 12, from 1215 to 1415 UTC, to allow for an ARISS school contact between OR4ISS on the space station and YO0INI at Valahia University of Targoviste in Romania — a first for that country.

Another pause will take place on April 13 from 1245 until 1430 UTC to allow for an ARISS contact with a school in Argentina.

The commemorative SSTV transmissions will end on April 14 at 1135 UTC.

View some of the received images transmitted from the ISS on the gallery website. Those receiving SSTV images may submit them there too.

The SSTV transmissions will be in PD180 format on 145.800 MHz. During the April 11-14 period, the SSTV transmissions should be available to most of the world. Other “MAI-75” SSTV transmissions are expected to take place on April 14, 1445-1800 UTC and on April 15, 1410-1900 UTC. Although these will not be available to North American, they will be accessible in South America, Europe, Southeast Asia, and Australia.

All operations aboard the ISS are subject to change.

The ARISS SSTV transmissions mark the 15th anniversary (in 2015) of continuous Amateur Radio operations on the International Space Station. The first ISS crew conducted its inaugural ham radio contact from NA1SS in November 2000. The first ARISS school contact took place the following month.