Today's Message Index:
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1. 03:42 AM - Garmin Brain Teaser... 320A Transponder issue.... (SIDESLIP)
2. 03:58 AM - Re: Garmin Brain Teaser... 320A Transponder issue.... (William Halverson)
3. 04:05 AM - Re: Garmin Brain Teaser... 320A Transponder issue.... (SIDESLIP)
4. 06:18 AM - Re: Garmin Brain Teaser... 320A Transponder issue.... (Charlie England)
5. 09:43 AM - Re: Garmin Brain Teaser... 320A Transponder issue.... (David Lloyd)
Message 1
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Subject: | Garmin Brain Teaser... 320A Transponder issue.... |
Avionics experts can't seem to help.... Maybe someone here can. Mounted in a Zodiac
601 XL-B is the above Transponder and encoder. Avionics experts tested it
on the ground, no engine running. Antenna is shielded. Turned on, and ran tests.
PERFECT signal and perfect parameters.
HOWEVER....
In flight, ATC CANNOT get ANY read on me for about 15-20mins. But they do get a
read eventually for the most part. Sometimes they get me as soon as I hit 2000'asl.
(460' elevation). Now.... This is secondary radar out of Toronto, approx
45sm away. Two days ago, I took off, no read, not even Mode A. Nada. Made a
9 min flight north, then east further away from the radar station and after about
15mins, she got a perfect signal on me. Transponder matched my altitude and
Ground speed no problem. Again.... Avionics specialist ran the system through
extensive testing and the second we fire it up, and run it through its paces,
comes back ultra strong. No issues.
Any idea?!
Cheers!
Chad
--------
C-GYXQ. 912ULS. 601XL-B
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=447428#447428
Message 2
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Subject: | Re: Garmin Brain Teaser... 320A Transponder issue.... |
How does it work in a different a/c?
Typos courtesy of Siri
> On Sep 25, 2015, at 06:40, SIDESLIP <Chad2007@rogers.com> wrote:
>
>
> Avionics experts can't seem to help.... Maybe someone here can. Mounted in a
Zodiac 601 XL-B is the above Transponder and encoder. Avionics experts tested
it on the ground, no engine running. Antenna is shielded. Turned on, and ran tests.
PERFECT signal and perfect parameters.
>
> HOWEVER....
>
> In flight, ATC CANNOT get ANY read on me for about 15-20mins. But they do get
a read eventually for the most part. Sometimes they get me as soon as I hit 2000'asl.
(460' elevation). Now.... This is secondary radar out of Toronto, approx
45sm away. Two days ago, I took off, no read, not even Mode A. Nada. Made
a 9 min flight north, then east further away from the radar station and after
about 15mins, she got a perfect signal on me. Transponder matched my altitude
and Ground speed no problem. Again.... Avionics specialist ran the system through
extensive testing and the second we fire it up, and run it through its paces,
comes back ultra strong. No issues.
>
> Any idea?!
>
> Cheers!
>
> Chad
>
> --------
> C-GYXQ. 912ULS. 601XL-B
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=447428#447428
>
>
>
>
>
>
>
>
>
>
>
Message 3
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Subject: | Re: Garmin Brain Teaser... 320A Transponder issue.... |
I have no way of trying it. No one I know has the same TX.
Cheers!
Chad
--------
C-GYXQ. 912ULS. 601XL-B
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=447430#447430
Message 4
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Subject: | Re: Garmin Brain Teaser... 320A Transponder issue.... |
On September 25, 2015 5:40:22 AM CDT, SIDESLIP <Chad2007@rogers.com> wrote:
>
>Avionics experts can't seem to help.... Maybe someone here can. Mounted
>in a Zodiac 601 XL-B is the above Transponder and encoder. Avionics
>experts tested it on the ground, no engine running. Antenna is
>shielded. Turned on, and ran tests. PERFECT signal and perfect
>parameters.
>
>HOWEVER....
>
>In flight, ATC CANNOT get ANY read on me for about 15-20mins. But they
>do get a read eventually for the most part. Sometimes they get me as
>soon as I hit 2000'asl. (460' elevation). Now.... This is secondary
>radar out of Toronto, approx 45sm away. Two days ago, I took off, no
>read, not even Mode A. Nada. Made a 9 min flight north, then east
>further away from the radar station and after about 15mins, she got a
>perfect signal on me. Transponder matched my altitude and Ground speed
>no problem. Again.... Avionics specialist ran the system through
>extensive testing and the second we fire it up, and run it through its
>paces, comes back ultra strong. No issues.
>
>Any idea?!
>
>Cheers!
>
>Chad
>
>--------
>C-GYXQ. 912ULS. 601XL-B
>
>
>Read this topic online here:
>
>http://forums.matronics.com/viewtopic.php?p=447428#447428
>
>
Pull the transponder and check the front edge of the tray. Make sure it's flush
with the front side of the panel. If not, then fix it. Then make sure that the
transponder seats completely when you reinstall it. Check operation on the ground
with the engine running.
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
Message 5
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Subject: | Re: Garmin Brain Teaser... 320A Transponder issue.... |
Keep in mind that parts of this system have a stabilization heater associa
ted in the transponder system. Sometimes I have seen those take more than
10 mins. to get the altitude encoder to stabilize at a fixed temp. The new
er transponder units stay quiet until stabilized. If you are operating in
cold weather, it may take even longer to get a solid reading. Let us know
what you find out. . .
---------------------------------------------------------------------------
-----
----- Original Message -----
From: Charlie England
To: avionics-list@matronics.com
Sent: Friday, September 25, 2015 5:44 AM
Subject: Re: Avionics-List: Garmin Brain Teaser... 320A Transponder issue
=2E...
On September 25, 2015 5:40:22 AM CDT, SIDESLIP <Chad2007@rogers.com> wrot
e:
cs experts can't seem to help.... Maybe someone here can. Mounted in a Zodi
ac 601 XL-B is the above Transponder and encoder. Avionics experts tested i
t on the ground, no engine running. Antenna is shielded. Turned on, and ran
tests. PERFECT signal and perfect parameters. HOWEVER....In flight, ATC CA
NNOT get ANY read on me for about 15-20mins. But they do get a read eventua
lly for the most part. Sometimes they get me as soon as I hit 2000'asl. (46
0' elevation). Now.... This is secondary radar out of Toronto, approx 45sm
away. Two days ago, I took off, no read, not even Mode A. Nada. Made a 9 m
in flight north, then east further away from the radar station and after ab
out 15mins, she got a perfect signal on me. Transponder matched my altitude
and Ground speed no problem. Again.... Avionics specialist ran the system
through extensive testing
and
he Web
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
---
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