Linux HAM/Amateur Radio development
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From: <w9ya@arrl.net>
To: linux-hams@vger.kernel.org
Subject: Re: YAPP server pgm - Packet File Transfer
Date: Fri, 15 Jul 2005 02:54:20 -0500 (EST)	[thread overview]
Message-ID: <32962.192.168.1.116.1121414060.squirrel@gateway> (raw)
In-Reply-To: <42D6E7EA.7010000@jnos.org>

Hey Bill and the gang;

In the bad ol' days. i.e. in the first years after AX.25 made it's
appearance, I had a file server on the "duplex (ham 2m es 440) packet
network" in LA. We used a variation on the binary to ascii-text conversion
to prefilter for transfers. Worked pretty well too.

Vy 73;

Bob
w9ya


>
>> I am not sure if these programs I wrote are what the
>> original requestor wanted or not.
>
> that was me...
>
>> Here is what they do:
>> They sit on an unattended AX.25 capable file server, and users connect
>> to them and download files.  If I had the upload half of
>> the program finished, they could upload files to the server also.
>
> It sounds like you are very close with the core functionality of
> what I'm looking for.
>
> My objective here is to transfer a binary file between two systems with
> packet radio.
>
> The file will be highly compressed standard Email and NNTP posts - the
> old UUCP way of doing things.  I believe the existing tools allow
> setting the size of the outgoing file bundle so we'll be able to limit
> it to something like 50K which would probably be fine for most of the
> exchanges.
>
> I'd like the transfer to be very fast, aggressive and efficient.  To get
>  the job done as quick as possible and get out of the way.   No doubt
> that FTP/TCP would be better for larger and more robust transfers but in
>  this case the overhead of TCP is unacceptable.
>
> I'm attempting to keep this scheme as standard as possible by minimizing
>  the value added tools.   A single specialized "ax25" file copy program
> that works through the AX25 tools would be a good solution.
>
> While this is basically Linux, I'm considering the issues and
> possibilities of running this on the other OS's.  (UUPC anyone?)
>
> There's sure been some interesting info presented here in the past
> couple days...
>
> 73,
> Bill - WA7NWP
>
> -
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      parent reply	other threads:[~2005-07-15  7:54 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-14 20:10 YAPP server pgm Bob Morgan
2005-07-14 20:47 ` Tomi Manninen
2005-07-14 22:32 ` YAPP server pgm - Packet File Transfer Bill Vodall WA7NWP
2005-07-14 23:01   ` Dave Platt
2005-07-14 23:50     ` Bill Vodall WA7NWP
2005-07-15  7:54   ` w9ya [this message]

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