S9+10 with the K3FEF KiwiSDR.
0225 UTC-Tone sweeps
0225 UTC-Robot YL “UNID Tones, code alpha 81 beta 43”
0226 UTC-Tone sweeps
0226 UTC-Robot YL “UNID Tones” and a new “code”
0226 UTC-Tone sweeps
0227 UTC-More tones, identifications, and “codes”
0240 UTC-OFF
Any idea what the codes are? They are all Alpha and Beta with a different number for each every time.