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The following are from logbook entries of the sonic azimuths.
Note that all measured azimuths are in degrees magnetic, with the declination set to 0 on the compass or datascope, to reduce untraceable mental mistakes.
site | log date | pointing | sonic boom azimuth, magnetic | boom azimuth, true (mag+12.2) | Vazimuth, true (boom+90) | notes |
|---|---|---|---|---|---|---|
playa1 | 12/18 | west | 76.9 + 180 = 256.9 | 269.1 | 359.1 |
|
playa1 | 1/5 | " | 77.3+180 = 257.3 |
|
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abc2 | 12/16 | east | 249.5 - 180 = 69.5 | 81.7 | 171.7 |
|
abc2 | 1/4 | " | 80 |
|
| shot from the back (centered mast in claws), so hard to see; still thought it was okay |
hiland3 | 12/14 | east | 249.5 - 180 = 69.5 | 81.7 | 171.7 |
|
hiland3 | 12/20 | " | 253.5 - 180 = 73.5 | 85.7 | 175.7 |
|
hiland3 | 1/3 | " | 254.2 - 180 = 74.2 |
|
| shot from across the street |
wvally4 | 12/16 | west | 86.7 + 180 = 266.7 | 278.9 | 8.9 |
|
wvally4 | 12/19 | " | 80.3 + 180 = 260.3 | 272.5 | 2.5 | mast was not lowered between 12/16 and 12/19 |
wvally4 | 12/20 | " | 85.8 + 180 = 265.8 | 278.0 | 8.0 |
|
wvally4 | 1/3 | " | 80.8 +180 = 260.8 |
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eslope5 | 12/15 | east | 248.7 - 180 = 68.7 | 80.9 | 170.9 |
|
eslope5 | 1/5 | " | 251.1 - 180 = 71.1 |
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wslope6 | 12/13 | west | 77.8 + 180 = 257.8 | 270 | 0.0 |
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wslope6 | 1/6 | " | 79.3 |
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river7 | 12/13 | west | 85.5 + 180 = 265.5 | 277.7 | 7.7 |
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