Image: reddit.com · I made NightDX: an open-source “night mission” app for the AirSpy HF+ that records what’s actually coming in while you sleep
NightDX: overnight shortwave recording for the AirSpy HF+
An open-source app built with Claude's help that predicts propagation, sweeps the bands and records the best shortwave stations overnight for a morning report.
Credits
- Reddit poster marcusgennaroz Source ↗
Earliest dated source:
The full story
NightDX is a free, MIT-licensed terminal app that has an AirSpy HF+ do a shortwave listener's overnight listening. It pulls broadcast schedules and live solar data, predicts what should reach your location and calibrates against what the radio actually hears, sweeps all the bands in about 10 seconds, then records the best stations, favouring ones not logged before.
Optional AI labels each recording as speech, music or noise and transcribes and translates it, and in the morning a browser report offers audio players and draft reception reports. It doesn't claim to identify stations and flags recordings where the evidence doesn't fit. The maker built it with the help of Claude.
How it was done
Tools
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Sources
From a short post by the maker, so the details are as they tell them.
- Reddit: I made NightDX: an open-source “night mission” app for the AirSpy HF+ that records what’s actually cReddit poster: marcusgennarozPosted
The maker's post on r/RTLSDR.
If it disappears: archived copy of Reddit: I made NightDX: an open-source “night mission” app for the AirSpy HF+ that records what’s actually c (opens in a new tab)