Larry, that is an excellent comment. That is why having many people
provide their viewpoints is so imporatnt since I do see all the
problems with this NPRM.

There is only one nit with your summary:

Summary:

The sole advantage will be ATC's positional information of GA aircraft
in areas lacking radar coverage, and on the ground.

My discussions with FAA ADS folks is that the currently planned
coverage for ADS-B ground units is only to meet the same coverage
provided by radars today. Thus there will be no improvement in the
mountain areas and many places in the USA just a thousand or so feet
AGL.

One concern I have is that the NPRM, if changed, may be to force
complete ADS-B (In and Out) functionality. That will make it more
expensive for thinsg that I do not need. I have terrain awareness in
my GNS 430W and may turn it off since it is a nuisance flying in the
mouyntains.

Weather...I can get a 496 if I really need real time weather. I have
done fine without it so far. Either use Flight Service or land and
get updates.

Ron Lee