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Re: [TenTec] Slave radios?

To: tentec@contesting.com
Subject: Re: [TenTec] Slave radios?
From: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Reply-to: geraldj@weather.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 24 Mar 2010 10:00:36 -0600
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>

On 3/24/2010 9:21 AM, John Rippey wrote:
> I'm wondering whether it would be feasible to use two OMNI VIIs in tandem, 
> one at home, one at a semi-permanent remote site, using the internet 
> capabilities of the rigs?
>
In theory it would be possible, except the code I don't think is written 
that way. There are a couple things unique about the OMNI VII remote, 
one is that its ethernet and the other is that audio in and out use that 
same ethernet connection. Though likely a different URL. You can get the 
same remote control results with most any radio with RS-232 or USB 
remote (if there is any USB) but you need a separate box to handle the 
audio. There are a number of ethernet to RS-232 boxes on the market and 
in semiconductor maker applications notes. But none of them do audio 
directly. Some do multiple RS-232 ports at high enough speed that one 
port could go to a CODEC for audio in and out and the other could be 
slowed down and buffered to go to the radio control port.

> The advantage is obvious: at home, you'd get to twirl real knobs and push 
> real buttons instead of the ersatz (and to me very unattractive) image you 
> get on a computer screen.
>
You could build up a box connected to your home computer to do all those 
with the existing software and neglect to look at the PC screen. It 
would be simpler than a full blown OMNI VII, though maybe not cheaper 
because all the rotary dials would be encoders rather than pots and 
encoders tend to be more expensive than pots. The PC remote program 
would have to be written to look at the encoders and switches, and there 
is enough information on the OMNI VII to allow creating your own remote 
control program, if you can write programs.
> Comments appreciated.
>
> John, W3ULS

  73, Jerry, K0CQ
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