These are stack plots of 23 magnetometers provided by the 55th Weather Squadran. The division between the base lines is 500 nT.

Here is a table showing the magnetic coordinates of each station:

ID GLAT GLON MLAT MLON
AMU 61.24 210.13 60.99 -96.22
BLC 64.33 263.97 74.23 -33.54
BOU 40.13 254.77 49.22 -40.78
CBB 69.10 255.00 77.43 -52.54
CHU 58.76 265.92 69.18 -28.45
CMO 64.87 212.17 65.04 -96.93
DLR 29.94 259.08 39.50 -34.11
FRD 38.21 282.63 49.56 -2.73
FRN 37.09 240.28 43.20 -56.67
GLL 49.60 262.90 60.00 -31.43
HAD 51.06 355.52 48.02 75.22
HON 21.32 202.00 21.62 -90.50
MEA 54.62 246.67 62.25 -54.86
NEW 48.26 242.88 55.10 -57.14
OTT 45.40 284.55 56.38 0.73
PDB 55.27 282.22 66.06 -1.84
RBC 74.70 265.10 83.57 -42.18
SAH 72.00 235.00 76.35 -83.85
SIT 57.07 224.67 59.87 -80.60
SJG 18.12 293.85 28.76 9.85
STJ 47.60 307.32 54.19 31.13
TUC 32.25 249.17 40.01 -45.81
VIC 48.52 236.58 53.99 -64.34
YKC 62.43 245.50 69.61 -60.43

Questions, Comments, Concerns? e-mail: ridley@worf.space.swri.edu