I caught a little over 2 hours from on 0240 UT. Reception was pretty naff, which is normal at my QTH, but did rise above the noise enough to hear Gary Numan/ Tubeway Army with Down in the park and.....The Wheels on the Bus !!!!?

The QSYs started at 0420 or so
2 hour 2 minute aircheck and as I say reception wasn't great at times, so if you go to the link, you'll want to jump around
20260514_0240_UT_6935_khz_North_America_Sternradio.mp4The signal on 6938 is experimental station WO2XPY
As per stuff at UDXF:
RCA Telecom has added a third transmission site to WO2XPY in West Chicago. It comprises a 10 kW amplifier, three Yagi antennas including this one, plus this log-periodic array.
“Grant of this application will serve the public interest because it will allow RCA to determine maximum efficient use of HF spectrum as it works toward developing a system for commercial use,” the company told the FCC.
(FCC rules do not permit commercial shortwave data transmission to foreign points. The Commission is still chewing on a Shortwave Modernization Coalition petition to allocate some HF frequencies to this purpose. See ERN #9.)
WO2XPY is authorized to use 14 bands between 6 and 29 MHz. Running more than 246 kW ERP in 14.35‒14.99 MHz – just above the 20-meter Amateur Radio band – it is “not capable of transmitting station identification,” RCA told the FCC. The Commission waived the station ID rule, as it typically does on request.
In a recent change, they HAVE been sending out an ID in CW at the start of transmission
Tony Pavick