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London Shortwave
londonshortwave.bsky.social
did:plc:traykptovyoiv3tgae7trmmi
The PiZero 2W spectrum recorder runs for 7 hours on two 18650s & a step-down 5V converter (which doesn’t seem to add measurable noise on HF). And of course the batteries are hot-swappable as the unit has its own small UPS battery. The only limitation is the amount of free space on the MicroSD card 📡
2024-12-12T00:10:13.152Z