Not sure if we're talking about the same thing but I have jazz on 6935.0 AM. I have not seen it on the frequencies you mention, 6930 or 6938.8 KHz. BTW, the date would be 11 August, not 10.
0042 - ID. Apologies for being near the MARS net earlier.
0055 - SINPO 34243 at the moment on the K3FEF SDR.