wrote in message
oups.com...
Allen,

I'm just now learning about all this IFR stuff so I could be wrong
here. I'm under the impression that the markers are on "fixed"
frequencies not associatied with the NAVs.

I will look into this more...

a.

Yup, they are low powered (3W) with a directional output (up). You fly over
it, and the marker beacon receives it.