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Figure 1.1. G12 GPS Board Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Figure 1.2. J301 Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Figure 1.3. External Equipment Interfacing Diagram. . . . . . . . . . . . . . . . . . . . . . 9
Figure 1.4. G12 Sensor Evaluation Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Figure 1.5. G12 Sensor Power-I/O Connections . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 1.6. G12 OEM Board Evaluation Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Figure 2.1. G12 Board Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 3.1. RTCM Base Station System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 3.2. RTCM Remote System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 3.3. GPS Epochs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Figure 3.4. PPS Synchronization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 3.5. Timing Pulse Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Figure 3.6. Relationship of GPS Time in PRN Record to 1PPS Pulse . . . . . . .44
Figure 4.1. SEM Mask Zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Figure 4.2. Rotation and Translation Between WGS72 and WGS84 . . . . . . .105
G12RevD.book Page ix Tuesday, April 2, 2002 4:33 PM
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