Mark,
Check with the Microair customer service before you order. If you
remember they have a problem that they are working on a patch. The mode
"S" operation screws them up somehow and you go blind at the most
inopportune times like last week entering class B airspace .
Joe
On Tue, 29 Aug 2006 22:04:32 -0500 "Mark Langford" <[email protected]>
writes:
> I finally got word back on my Terra transponder today...unrepairable.
> Parts are unavailable. Apparently those particular components are
> no longer available, and there's nothing comparable. I have a EE
> buddy who wants a crack at it, but he's pretty busy rebuilding a Yak
> 52 at the moment, so I'm probably going to order a Microair T2000
> that will fit in the hole that the g-meter now lives in (it doesn't
> see much action now that I've learned how to land).
>
> My EE buddy thinks my transponder fairing may have been a
> contributing factor (see
> http://home.hiwaay.net/~langford/fairings.html ) because he says
> anything touching it will change the impedence, and therefore the
> load the transmitter sees. I don't know how critical that is, but
> he gave me a Bendix blade antenna that I may substitute in its
> place. He says painting the thing may even screw it up. He also
> pointed out that if the coax is disconnected even for a few seconds,
> that 200 watts has no place to go and can blow something up. I
> would hope it would be more robust than that, but the bottom line is
> that mine's dead and I have to replace it. It should be mentioned
> that the Terra transponders have always had a spotty record. If I
> remember correctly, Jeff Scott's came out of the box DOA, so maybe I
> should be happy with a good year of service. But because that
> leaves a half sized hole in my panel, and there are a lot of things
> I'd like to change now that the panel is sort of "finalized", I may
> make another instrument panel one of these days...
>
> Mark Langford, Huntsville, Alabama
> see KR2S project N56ML at http://home.hiwaay.net/~langford
> email to N56ML "at" hiwaay.net
> --------------------------------------------------------------
>
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>
Joe Horton, Coopersburg, PA.
[email protected]