Registered: 03/11/06
Posts: 109
Loc: So. California
FWIW, i just looked at my maps here and the USGS 7.5m series are with UTM in NAD27 with offset ticks for NAD83 which for SoCal are to the east by about 100m. Now, the LA sectional chart says at the top "horizontal datum: north american datum of 1983 (equivalent to world geodetic system 1984). Arggg..
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