Amateur Radio

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submitted 3 months ago by einfach_orangensaft@sh.itjust.works to c/amateur_radio@lemmy.radio

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Antenna was about 20m of random wire coil on a sound card, recorded with Friture.

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[–] einfach_orangensaft@sh.itjust.works 13 points 3 months ago (1 children)

There isnt 3-phase mains going into the device, but i assume is uses a 3-phase brushless motor with a driver circuit for speed control

[–] A_Union_of_Kobolds@lemmy.world 8 points 3 months ago* (last edited 3 months ago)

Yeah could be, that would make sense. I confess, I haven't opened many of them up.

With the frequency jumps I'd say you're right