The February 21 spacewalk has caused the postponement or cancellation of Amateur Radio on the International Space Station (ARISS) SSTV activity that had been scheduled to start at 1000 UTC and continue until approximately 2130 UTC on Monday, February 23. According to ARISS-EU Chairman Gaston Bertels, ON4WF, the SSTV transmissions may still take place on Sunday and Monday, February 22 and 23. If they occur, the SSTV transmissions from RS0ISS will be on 145.800 MHz FM, using SSTV mode PD180, with 3 minutes off periods between transmissions.