Amateur radio turned off for safety reasons during spacewalks.
January 6, 2017 U.S. EVA-38 – S4 Battery R/R (Kimbrough, Whitson)
Thank you Dave for the answer.
Where did you read about the spacewalk?
Radios will be off again tomorrow to complete the task.
Space Station Crew ready for Second Battery Replacement Spacewalk on Friday
January 13, 2017 U.S. EVA-39 – S4 Battery R/R (Kimbrough, Pesquet)