Jim Macklin schrieb:
The question was IF no radio available to get a corrected
altimeter setting... if a GPS is available the GPS altitude
is better than no correction at all.

Agreed.

Probably, most NORDO flights are at or below 3,000 AGL under
VFR. Terrain clearance is more critical to such a flight

In such a flight you usually just look out of the window for terrain
clearance.

Stefan