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I hate to display my ignorance like this but today is one of the few times I've been able to work on my Archer. My A&P is letting me be his gofer, which is better than it sounds.
Can someone tell me what this is? Unless an ADF has more than one antenna I'm finding too many for the number of radios I have.
On the bottom of the plane it looks like this:
Attachment 5618
Inside the tail cone it looks like this:
Attachment 5619
It most definitely is an ADF antenna. "Q.E." stands for quadrantal error. Essentially it adjusts for local interference in the perceived signal direction.
ADF uses 2 antenna, sense and loop. Sometimes they are combined in one box, sometimes not. If you don't have an ADF, pitch that antenna. It probably weighs >10 lbs.
Great, thanks. We're doing an ADS-B install and there are some distance limits to some other types of antennae in the instructions.
I still have a working ADF. It's coming out just as soon as I fall into a big enough pile of money that the price of a glass cockpit gets family approval.