# How Many Drake 2-Bs Were Ever Made? Counting Boatanchors with the German Tank Problem It started, as these things do, with Bill (N2CQR) thinking out loud. On an episode of the *SolderSmoke* podcast he wondered how many Drake 2-B receivers the R.L. Drake Company had ever actuall
Yet another Greensleeves numbers-station transmission, decoded and analyzed.
A long late-September transmission from the fake Greensleeves numbers station.
A new fake numbers station emerges, reading oddly high-pitched numbers between 0 and 25.
At the start of every UTC minute, WWV and WWVH each transmit an 800 ms pulse on 15 MHz — often both audible at once. By stacking those pulses and fitting a smooth envelope model, we can read off their relative delay and watch WWVH fade while WWV stays steady.
A strange shortwave signal spotted by Ormu on the HF Underground Discord.
6950 kHz, just before 0100 UTC 2017/9/5 – heard from Florida.