Analysis of Fake Numbers Station (Greensleeves) — October 2024
Yet another Greensleeves numbers-station transmission, decoded and analyzed.
▶ 2024
More Greensleeves Numbers Station — Late September 2024
A long late-September transmission from the fake Greensleeves numbers station.
Analysis of Fake Numbers Station (Greensleeves) — September 2024
A new fake numbers station emerges, reading oddly high-pitched numbers between 0 and 25.
Analyzing the WWV/WWVH Time Signal on 15 MHz
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.
▶ 2023
Oddity on 15025 kHz — September 2023
A strange shortwave signal spotted by Ormu on the HF Underground Discord.