this post was submitted on 17 Jan 2025
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For local reception, receivers with RTL2832U chips are a cheap option. They are also called RTL-SDR. I have simply been using a long wire as a "random wire antenna". Some of the older dongles also need an upconverter to be able to tune into low HF frequencies:
Quoted source: https://www.rtl-sdr.com/a-homebrew-one-transistor-upconverter-for-the-rtl-sdr/
I like my rtlsdr. It's great and super cheap.
rtl433 on github is a joy to collect data and send somewhere