jobbies@lemmy.zip to Lemmy Shitpost@lemmy.world · 22 days agoWrong answers only - what is this?lemmy.zipexternal-linkmessage-square132linkfedilinkarrow-up1192arrow-down12
arrow-up1190arrow-down1external-linkWrong answers only - what is this?lemmy.zipjobbies@lemmy.zip to Lemmy Shitpost@lemmy.world · 22 days agomessage-square132linkfedilink
minus-squareearly_riser@lemmy.worldlinkfedilinkarrow-up2·21 days 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.