In a previous article, "Richard Kaplan" said:
exists due to military testing or some atmospheric irregularity or whatever,
but the point is that the NOTAM really is out there and will be effective in
a few days. If my plane had nothing but GPS-based avionics, what would my
options be?

GPS 07/015 ZDC GPS UNRELIABLE WITHIN A 100 NM RADIUS OF PATUXENT
VORTAC (PXT) AT 10,000 MSL THROUGH FL400, AND DECREASING IN AREA
WITH DECREASE IN ALTITUDE TO 80 NM RADIUS AT 4000 FT AGL
1200-2000 DLY WEF 0307211200-0307252000

Stay away from Patuxent?


--
Paul Tomblin , not speaking for anybody
UNIX was half a billion (500000000) seconds old on
Tue Nov 5 00:53:20 1985 GMT (measuring since the time(2) epoch).
-- Andy Tannenbaum