[chirp_users] Download From Radio under Ubuntu 20.04 error
Nigel A. Gunn G8IFF/W8IFF
Wed Apr 7 15:12:17 PDT 2021
FLDIGI is only narrow band. He mentioned wanting to send video.
> On 07/04/2021 18:04 Don Goodrich <don.goodrich at cheerful.com> wrote:
>
>
> Check out FLDIGI
>
> Don Goodrich
> don.goodrich at Cheerful.com
> AF7DG
> Sent: Wednesday, April 07, 2021 at 4:50 PM
> From: "Robert Withers via chirp_users" <chirp_users at intrepid.danplanet.com>
> To: "Nigel A. Gunn G8IFF/W8IFF" <nigel at ngunn.net>, "Robert Withers via chirp_users" <chirp_users at intrepid.danplanet.com>
> Subject: Re: [chirp_users] Download From Radio under Ubuntu 20.04 error
> 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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> _______________________________________________ chirp_users mailing list chirp_users at intrepid.danplanet.com http://intrepid.danplanet.com/mailman/listinfo/chirp_users This message was sent to Nigel Gunn, W8IFF at nigel at ngunn.net To unsubscribe, send an email to chirp_users-unsubscribe at intrepid.danplanet.com
Nigel A. Gunn, ///shoulders.outwards.resolutions tel +1-937-971-0366
Amateur Radio G8IFF W8IFF and GMRS WRBV701, e-mail nigel at ngunn.net www http://www.ngunn.net
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