Found a birdie this morning. Started as what looked like a RTTY “stuck diddle” in the FT8 waterfall on 10m. So I switched to fldigi to go RTTY eavesdropping to see what’s out there. Every 5 turns of the big knob, I’d find another one. So I did some further investigating.
Well, it’s insane. From the lowest freq to the highest freq I can receive with my Yaesu FTdx3000, it’s there at extremely regular intervals. So much so that I can put my mouse over the 100kHz digit, and scroll, scroll, scroll, and you can see the trace and hear the tone creep slowly along.
I’ve seen comb-pattern birdies on A BAND before. Our clothes washer makes one that is clearly visible across all of 40m (or maybe it’s 20m, I don’t recall right now) whenever it’s running. But it only adversely affects one HF band, and barely that.
But what I see right now is the broadest-banded regular-interval birdie in the history of RF, as far as I know.
Any ideas?
Here’s a vid showing me tuning down from low-end VHF down past MidWave. https://www.youtube.com/watch?v=ME5sQwUxxqc
