PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-21:12:40
G08     266.5          18.0               11.1 +/-    2.21      25.8 +/-    2.21  0.110 / 0.210
G10     60.6           58.9               10.0 +/-    0.68      11.5 +/-    0.68  0.340 / 0.260
G11     311.3          17.5               10.4 +/-    1.88      24.4 +/-    1.88  0.070 / 0.100
G14     268.9          67.0               11.8 +/-    0.38      12.7 +/-    0.38  0.060 / 0.100
G18     92.7           35.2               11.5 +/-    1.01      18.2 +/-    1.01  0.140 / 0.200
G24     40.1           11.1               10.5 +/-    3.37      28.5 +/-    3.37  0.080 / 0.220
G27     230.4          15.3               14.9 +/-    1.36      36.9 +/-    1.36  0.020 / 0.020
G31     180.6          27.9               15.8 +/-    1.72      29.0 +/-    1.72  0.020 / 0.020
G32     332.0          74.2               11.0 +/-    0.37      11.3 +/-    0.37  0.040 / 0.050