15016 kHz US Air Force HF Global Communications System 26.05.2025
ID 2:01 as "This is Optimist оut" Emergency Action Message from any one of air bases at this time (Alaska, Hawaii, Guam, Westcoast, Nebraska, Puerto Rico, Japan, etc.) QTH: MP87DA ANT: 70 m LW outdoor Received at 22-40 UTC on May 26th, 2025 in North-West Siberia, Russia
ID 2:01 as "This is Optimist оut" Emergency Action Message from any one of air bases at this time (Alaska, Hawaii, Guam, Westcoast, Nebraska, Puerto Rico, Japan, etc.) QTH: MP87DA ANT: 70 m LW outdoor Received at 22-40 UTC on May 26th, 2025 in North-West Siberia, Russia