RDOP surface for GPS relative positioning

0 ^ i i i i i i i i i r~H [ i i | i i | r~~l | i i | i i | i i | i i | i i | MO 9:00 10:00 11:00 12:00 13:00 14:00 15:00 10.00 17:00 11:00 19:00 20:00

ALL-IN-VIEW PDOPVS TIME

STATION: THORNDEN LATITUDE: 43 02' 02"N LONGITUDE: 76 07' 27"W
DATE: 31 AUG 1994 ZONE:-4:00 CUT-OFF ELEVATION: 15

10 CHANNEL RECEIVER

-i—i—i—i—|—i—(—1—i—f—f—i—r—r^-]—i——r12:00 14:00 16:00 18:00 20:1

INCREMENT OF 24.0 MINUTES
TIME

FIG. 13