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Thanks, Avinuts
That's why I don't have the audacity to claim a faulty unit replacement from the supplier, because I clearly use it outside of its intended envelope. Anyway, the fact that I was...

Thanks, Jerry

The batteries in my unit are built-in and can only be replaced in a lab. Also, the antenna is internal and there's isn't even an external antenna socket. In case not enough satelites...

Thanks.

That's roughly what I have, though up-over rather than down-under. So if anyone experienced similar problems, it's probably those Aussies.

Thanks, Ron.

There occurred a variety of hardware-looking problems, non of them was related to loss of GPS signal. Examples: (1) The moving map and GPS position marker froze and the on/off button...

Thanks, Racegunz

As I said, what I was using is just my car GPS (neither a Garmin nor any other aviation brand) transplanted to my airplane.

I agree with you that plain old chart and compass...

Thanks, Joe.The problems I was complainng about are not of the missing-signals type. This GPS device has only an internal antenna and when it misses too many satelites it just displays a message...

I fly an ultralight. Typical altitudes are 500' AGL and navigation is by landmarks. Where I can't recognize the landmarks, or where distinct landmarks do not exist or are far-between, I switch to...

Yes, Ron, I've seen your Hillbilly post; it's nice and contains a lot of good stuff I might adopt. I'm now working on a variation of my own. When done and successfully applied, I'll let the community...

Thanks, Wes, for your advice. It certainly helped delineate my options.

Let me summarize the options you propose: 1) Fly to an airport that has a compass rose and do it there. 2) Create a...

AC 43.13-1B Ch. 12 Sec. 3 Par. 12-37 relates to "real" aircraft that operate from "real" airports, for which the compass is a critical navigation equipment. It requires using a compass rose, probably...

My magnetic compass was way off. I found the screw that adjusts it. I took the compass off and adjusted it away from the aircraft and from interfering steel structures and objects. This I did using...