jobbies@lemmy.zip to Lemmy Shitpost@lemmy.world · 2 months agoWrong answers only - what is this?lemmy.zipexternal-linkmessage-square133linkfedilinkarrow-up1189arrow-down12
arrow-up1187arrow-down1external-linkWrong answers only - what is this?lemmy.zipjobbies@lemmy.zip to Lemmy Shitpost@lemmy.world · 2 months agomessage-square133linkfedilink
minus-squareearly_riser@lemmy.worldlinkfedilinkarrow-up2·2 months agomodulator-demodulator One of the things that got me into ham radio was hearing “old school modem noises” while playing around with an RTL-SDR dongle. Turns out it was APRS.
modulator-demodulator
One of the things that got me into ham radio was hearing “old school modem noises” while playing around with an RTL-SDR dongle. Turns out it was APRS.