HR4BTC on Nostr: Geek out on old school packet radio on the Commodore SX-64 using a MFJ-1278 TNC. #ham ...Geek out on old school packet radio on the Commodore SX-64 using a MFJ-1278 TNC.#ham #hamradio #tnc #packetradio #radiohttps://youtu.be/HCtkN3Moclo