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Re: [TowerTalk] Antenna Switching - Complexity for its own sake?

To: <n8wrl@arrl.net>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] Antenna Switching - Complexity for its own sake?
From: "Richard M. Gillingham" <rmoodyg@bellsouth.net>
Date: Sat, 17 Sep 2005 14:42:48 -0400
List-post: <mailto:towertalk@contesting.com>
Perhaps they published that article because no one else had submitted one 
for the simpler, more common sense method.  They can't publish what they 
don't have.

Myself, I don't let my life get too complicated..  (grin)

Just a thought.

73
Gil, W1RG

Just a thought.
----- Original Message ----- 
From: "Brian Smithson" <n8wrl@att.net>
To: <towertalk@contesting.com>
Sent: Saturday, September 17, 2005 10:43 AM
Subject: Re: [TowerTalk] Antenna Switching - Complexity for its own sake?


>I thought so too. I have an antenna controller that I built based on a 
>microcontroller but it understands multiple antennas for the
> same band, remembers the last antenna I was on when I return to a band, 
> and sends commands to an ACOM amp to 'tune' it for that band
> without having to key up. I was lucky enough to have it published in NCJ a 
> few years back.
>
> I'm working on a new version of basically the same thing that can take 
> band data input from four radios with the selected radio
> indicated by a signal from a 'NCS Multiswitcher' that I have. The idea is 
> to have antenna selection come with all the same logic
> before but band data multiplexed based on audio/key/mic selections made on 
> the multiswitcher.
>
> For me it's a fun learning experience because I'm a software guy by 
> training so the home-brew hardware stuff is the challenge. It's
> also fun to write software for something with only a thousand bytes of 
> RAM.
>
> The article is still good for me though - I get some ideas on line 
> conditioning.
>
> 73!
>
> -Brian n8wrl
>
>> -----Original Message-----
>> From: towertalk-bounces@contesting.com
>> [mailto:towertalk-bounces@contesting.com] On Behalf Of Pete Smith
>> Sent: Saturday, September 17, 2005 8:01 AM
>> To: towertalk@contesting.com
>> Subject: [TowerTalk] Antenna Switching - Complexity for its own sake?
>>
>> The latest QST includes a lead tech article on an automatic
>> antenna switch controller that uses a PIC and a lot of other
>> parts on an expensive PC board to switch 5 antennas either
>> manually or in response to band data from various
>> transceivers.  I must be missing something, because this
>> seems like a LOT of trouble for less capability than could be
>> gotten from a $20 W9XT band decoder card and a few added
>> components.  I know that there are some radios that don't
>> provide BCD band data, but that problem is usually dealt with
>> by running a computer program that provides the band data on
>> an LPT port.
>>
>> For this they burn 8 pages?
>>
>> 73, Pete N4ZR
>> The World HF Contest Station Database
>> was updated on 18 August 2005
>> 2988 contest stations at
>> www.pvrc.org/WCSD/WCSDsearch.htm
>>
>> _______________________________________________
>>
>> See: http://www.mscomputer.com  for "Self Supporting Towers",
>> "Wireless Weather Stations", and lot's more.  Call Toll Free,
>> 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> any questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk 

_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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