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From: John Barrett <2thman1@gmail.com>
Subject: Re: [LML] Re: Compass calibration

Thanks Danny. I'll check that out

John

Sent from my iPad


On Aug 18, 2013, at 7:45 AM, "Danny" <danny@n107sd.com> wrote:

> I've had the errant output from time to time too.  When I checked my syste=
m
> I found a tiny bit of moisture in the lines that had collected at a low
> spot.  After removing the moisture, the error disappeared.  I now check th=
e
> lines periodically.
>=20
> Danny
> LNC2-360 Mk-II
> Nothing is foolproof to the sufficiently talented fool.
>=20
> -----Original Message-----
> From: John Barrett [mailto:2thman1@gmail.com]=20
> Sent: Friday, August 16, 2013 4:24 PM
> To: lml@lancaironline.net
> Subject: [LML] Re: Compass calibration
>=20
> Speaking of calibration I have been meaning to ask a burning question abou=
t
> Tru Trak a/p.  mine is confused about heading.  It is usually 30 degrees o=
r
> more off of actual heading.  Is there a calibration mode for the A/P?
>=20
> My device not infrequently messages that it wants to shut off and some tim=
es
> it does.  At other times it has introduced errant output to the point I ha=
ve
> to disconnect to avoid making unwanted attitude changes.  A few times I've=

> had it not want to let go and I have had to do the equivalent of popping t=
he
> c/b. =20
>=20
> It seems to be doing this less and less and maybe the a/p heading is
> gradually getting closer to the Cheltons. =20
>=20
> Any thoughts?
>=20
> John Barrett
>=20
> Sent from my iPad
>=20
>=20
> On Aug 16, 2013, at 11:42 AM, "Dan Schaefer" <dfs155@roadrunner.com> wrote=
:
>=20
>> By the way all, be aware that in many parts of the country, the magnetic
> field lines have shifted enough to change runway numbers. my home field
> (KCOE, Coeur d'Alene, Idaho) had to renumber the runways recently - Rnwy
> 1/29 became 2/20 and 5/23 became 6/24. Be sure to check whether the airpor=
t
> where you do your calibration has changed recently and if field compass ro=
se
> (if there is one) has been updated to match it or you will mis-calibrate
> your compass.
>>=20
>> Dan Schaefer=20
>>=20
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>=20
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