Try to even find a 2+2 decoder today they are no longer even in
production. I believe Bramco was the last to produce them and they
don't anymore. Our county switched to 5/6 tone for the new weather sirens.
Daniel L. Fargo KB3EMH
General Class Amateur radio operator
------------------------------------------
George Henry wrote:
> Wayyyyyyyy back when (~25 yrs.), I picked up a Bramco 2+2 decoder at a
> hamfest for $2.00. Jumpered around the second decoder chain to make it a
> plain 2-tone sequential decoder and used it with a R/S scanner for my local
> FD dispatch tones. Seems to me I used Motorola 'sponder reeds from a
> Pageboy in it, and it worked FB.... Memories.........
>
> George, KA3HSW / WQGJ413
>
> ----- Original Message -----
> From: "Captainlance" <captainla...@optonline.net>
> To: <Repeater-Builder@yahoogroups.com>
> Sent: Tuesday, March 10, 2009 4:38 PM
> Subject: Re: [Repeater-Builder] BRAMCO Reeds
>
>
> BRAMCO reeds were made for a number of 2-way companies over the years, the
> color of the reed in meaningless. Each manufacturer selected what they
> wanted, light blue, dark blue, red, silver, bronze, etc. likewise, coil
> impedances were variable as well, from 500 to 5K ohms. if you have the stock
> number, usually beginning with an "A0", I can probably tell you what you
> have. Decoders can be used as senders, however the drive is higher to get
> them to fire off reliably. note too that the Bramco reeds are position
> sensitive... especially below 100 hz...if you are going to use mechanical
> reeds for an application, try to get old Motorola "gold" reeds, TU217 sender
> and TU333 sponder, they were better in all aspects, especially sensitivity
> to close in the sponder reeds.
> Lance N2HBA
>
>
>
>
> ------------------------------------
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
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