iPhone app calculates Gamma / X-Ray Photon Attenuation
Here’s what folks on the HFUnderground.com have reported hearing yesterday:
MAC Shortwave / Ultraman 6924.5 kHz AM from 0000 UTC. Lots of Elvis music.
Northern Relay Service 6930 kHz AM at 0230 UTC.
Radio True North – 6925 kHz AM from 0321 past 0343 UTC.
Renegade Radio 6925 kHz USB from 0127 until past 0225 UTC. Songs included Rosanna, Too Much Time on My Hands, Take The Long Way Home.
UNID 6925 kHz USB from 0140 past 0210 UTC. Started out in AM and then switched to USB. 1920s music including Putting On The Ritz.