The malfunctioning ARISS HamTV transmitter is back on Earth for repair or replacement: onboard repair was not possible. The DATV system transmissions were not seen by any ground stations as of last April, and a subsequent test using a second L/S band patch antenna on the ISS Columbus module failed. The HamTV unit returned to Earth on January 13, aboard the Dragon that successfully splashed down in the Pacific Ocean. ARISS now will coordinate shipment of the unit to Kayser-Italia, which built the transmitter, where it will undergo a full failure investigation by ARISS, AMSAT-Italia, and the Kayser-Italia team. Depending on the outcome of the inspection, ARISS will decide the best way to move forward.
Read more on original ARRL article: http://www.arrl.org/news/ailing-ariss-hamtv-transmitter-back-on-earth-for-inspection-possible-repair?fbclid=IwAR3NsjSQK_bLGeJaHQToM0WoH9LFWURNYAwQz5pdNgyFYdF0wLUw9ewaoAQ