HAMTV from the ISS

Following repairs carried out last year it now looks likely that the original HAMTV unit will be returned to the ISS with potential commissioning by a visiting astronaut during April 2024.

What is HamTV

HAMTV is the name of the Digital Amateur Television (DATV) transmitter on board the Columbus module of the International Space Station (ISS).

It transmits Digital video and audio in MPEG-2 format using the DVB-S protocol in the 13cms band on 2395MHz.

HAMTV specification

• Ham Video downlink frequencies:

    2395 MHz (2369 MHz

   2422 MHz

   2437 MHz

   DVB-S modulation
   Symbol rates: 1.3 Ms/s and 2.0 Ms/s
   FEC : ½
   NTSC format (SIF: 352×240 or D1:720×480)