Robert, Look into "Packet Ham Radio" K4ABT has a good beginners page. I'm not sure if packet radio is still a thing? I haven't used it since the mid to late 90's
Thanks, Bob KA1TTG On Wed, Apr 7, 2021 at 5:51 PM Robert Withers via chirp_users < chirp_users@intrepid.danplanet.com> wrote: > An additional query. How is DSP done, then? I thought that is what I was > looking to do, with a program running on connected computers, doing the > processing of the digital data. > > Thanks, > Robert > > On 4/7/21 5:42 PM, Robert Withers wrote: > > What? Is there no way to transmit data over RF? I thought that that was > > a transmit mode, in eligible frequencies. I guess the info transmitted > > must go through the mic input and out the spk jack, as those are the > > only jacks in my handheld. But I really thought that data transmission > > was possible. Oh dear, much more to research. > > > > Kindly, > > Robert > > > > On 4/7/21 4:57 PM, Nigel A. Gunn G8IFF/W8IFF wrote: > >> You're not going to do that using any connector normally provided on > the radio. > >> You can send the data out of the computer through a serial port but it > will need to go directly into the modulator or VFO on the radio. There are > special data radios available but most amateur transceivers won't do it. > >> Video is different because of the bandwidth required so you might be > better with receiver and transmitter designed for TV use. > >> > >> > >>> I want to read /write data to be broadcast over the RF frequency the > >>> radio is set to. I want to intercept the traffic on the computer to run > >>> my own protocol, which may be audio/video but encoded into my protocol. > >>> I am thinking the answer is reading and writing to the tty may work, or > >>> mic input and spk output for audio. But I want data transmission, not > >>> audio.My software currently reads/writes to/from a socket. The read > side > >>> of reading from a tty should probably be buffered, somehow. Something > to > >>> figure out as I complete my ReedSolomon implementation and fix a few > >>> bugs in my protocol software. > >>> > >>> Kindly, > >>> Robert > >>> > > _______________________________________________ > chirp_users mailing list > chirp_users@intrepid.danplanet.com > http://intrepid.danplanet.com/mailman/listinfo/chirp_users > This message was sent to Bob at boban...@gmail.com > To unsubscribe, send an email to > chirp_users-unsubscr...@intrepid.danplanet.com >
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