REFLECTOR: Altimiter/Transponder
Laurence Coen
lwcoen at hotmail.com
Tue Apr 4 10:52:26 CDT 2006
John,
I have a RMI altimeter/air speed which is also an encoder. My transponder
is a Terra 250D. I did the initial calibration on the RMI. I used a water
manometer for air speed and set the altimeter by setting it to a known
altitude on the ramp. This however, doesn't meet the legal requirement that
must be done by a certified instrument shop. When I had my instruments
certified they did not require re-calibration which validates my method. I
also have a gadget called a Monroy Traffic Watch that will display what my
transponder is squawking. A flashing ATC light doesn't guarantee the
transponder works. The Traffic Watch is not connected directly to the
transponder but picks up the transponder signal on it's own antenna.
Larry Coen
N136LC
----- Original Message -----
From: "John Dibble" <aminetech at bluefrog.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Monday, April 03, 2006 8:59 PM
Subject: REFLECTOR: Altimiter/Transponder
> Does anyone do their own altimiter/transponder testing/inspections?
>
> John
>
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