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		KptMarchewa on Aug 29, 2023 \| parent \| context \| favorite \| on: A cheap radio hack disrupted Poland's railway syst... It's public. 1160 Hz, 1400 Hz, 1670 Hz

ajsnigrutin on Aug 29, 2023 | [–]

audacity, aprs k1 cable and a cheap baofeng, and you too can become a criminal :)

dylan604 on Aug 30, 2023 | [–]

if only there were two more tones...play the five tones

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