[chirp_users] Download From Radio under Ubuntu 20.04 error

[Robert Ankenbauer]

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 at 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
> >>>
>
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