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Re: [TenTec] Differences between 565 and 566?

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Differences between 565 and 566?
From: Martin Ewing <martin.s.ewing@gmail.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 29 Apr 2009 20:20:40 -0400
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
I agree it would be nice if we had such an upgrade path, but I suspect
there are changes beyond the CPU board.  The local oscillator scheme
has changed somewhat, along with the IF filter selection.  There may
be too many boards that have significant changes.   In any case, even
the CPU / LCD, when packaged as an after-market upgrade, might cost
$1K. Possibly TT could have offered an Orion 1.5 upgrade (CPU/LCD
only), but then they'd have 3 flavors of firmware to support.

The short answer: If TT thought they could successfully market an
upgrade kit, they'd have done it by now.

I'm a little surprised at the differential between the used Orion I
price and the new Orion II.  If I were coming into the market now, I'd
be likely to choose the "I" and save > $2K.  Color is nice, and the
new-car smell is neat, but that's pretty steep.

73 Martin AA6E

On Wed, Apr 29, 2009 at 7:31 PM, Adam Wade <espresso_doppio@yahoo.com> wrote:
> According to everything I have read and seen so far, it would appear the only 
> real differences between the 565 (orion) and 566 (Orion II) are the faster, 
> larger instruction set processor chip and the color display plus whatever 
> support hardware is needed for color vs. monochrome.  There is a slight 
> difference in the roofing filters, I am guessing a slightly different first 
> IF?  Not sure what is changed there, or how significant the impact of the 
> change is...
> If all this is indeed the case, then it should be possible to "upgrade" a 565 
> to just about all of the 566 spec, with 566 firmware, by replacing a few 
> (albeit not cheap) boards.  I wonder how feasible it would be to do this 
> conversion, sort of like augmenting one of the Omni models to the newer 
> spec...  I for one would be interested in at least considering such an option 
> for the future.  If the cost to retrofit was under $1k, it would certainly be 
> something I might consider as a future purchase, and the less it cost, the 
> more I'd be willing to consider it.  ;)
>  ! Adam Wade -==- AF6ME -==- Ten-Tec Orion & SteppIR BiggIR Mk III !
> ! "I write down everything I want to remember. That way, instead  !
> ! of spending a lot of time trying to remember what it is I wrote !
> ! down, I spend z time looking for the paper I wrote it down on." !
> !       - Beryl Pfizer    -=-    http://www.allthings550.com      !
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