Activity for Guy Rivestâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Answer | — |
A: How to take a bearing when the geographic coordinate grid is not aligned with true north on a map? When working with map AND compass, the declination should always be taken from the grid north (GN) since you align the compass orienting lines (red or black lines on the bottom or the bezel of the rotating capsule) with north-south lines of the map grid. The reason why these line are slightly skewed ... (more) |
— | about 6 years ago |
| Answer | — |
A: Offset in compass The Brunton Truarc 3 compass is ajustable for declination WITHOUT the need of a screwdriver like tool. Just grab the clear vial with your left hand index under and thumb over to prevent it from moving while you turn the bezel ring with your right hand and set the declination value for your locality o... (more) |
— | about 6 years ago |