[chirp_users] Download From Radio under Ubuntu 20.04 error

[Nigel A. Gunn G8IFF/W8IFF]

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