15 minutes of integration of @NAICobservatory at 5125kHz interesting the second bump at 1.5Hz is doppler of multipa… https://t.co/11tPusQHIz
15 minutes of integration of @NAICobservatory at 5125kHz interesting the second bump at 1.5Hz is doppler of multipa… https://t.co/11tPusQHIz