29May09
Kurt measured the booms with the data-scope today.
These are magnetic readings with deviation setup as ......
GM: added true-north angles using declination shown below and assuming data-scope was not correcting for declinaton.
Site |
Ht |
BoomAngle |
BoomAngle(true) |
Vazimuth (Boom-90) |
|---|---|---|---|---|
Platteville |
4m |
88.9 (KK) 91.5 (Rudy) |
90.2 + 9 = 99.2 |
9.2 |
Marshall |
2m |
16.4 |
16.4 + 9 = 25.4 |
295.4 |
|
4m |
16.0 |
25 |
295 |
|
6m |
15.7 |
24.7 |
294.7 |
|
8m |
16.2 |
25.2 |
295.2 |
|
10m |
18.0 |
27 |
297 |
According to http://www.ngdc.noaa.gov/geomagmodels/struts/calcDeclination
the declination of Marshall (Lat: 39.948, Lon: 105.195) is 9 deg 17 min.
Platteville (Lat: 40.187, 104.72) is 9 deg 3 min.