PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/04-22:13:10
G07     334.9          59.0               10.2 +/-    0.42      11.7 +/-    0.42  0.200 / 0.230
G08     99.5           50.5               12.1 +/-    0.47      15.1 +/-    0.47  0.270 / 0.310
G09     194.5          76.2               11.7 +/-    0.48      12.1 +/-    0.48  0.150 / 0.250
G11     145.8          12.5               13.4 +/-    3.20      35.3 +/-    3.20  0.140 / 0.240
G16     45.7           12.0                7.2 +/-    1.36      19.3 +/-    1.36  0.030 / 0.040
G23     155.4          46.4               11.3 +/-    0.68      15.0 +/-    0.68  0.050 / 0.040
G27     60.1           34.8               10.2 +/-    0.85      16.3 +/-    0.85  0.070 / 0.060
G28     234.4          24.6               12.6 +/-    1.46      25.0 +/-    1.46  0.060 / 0.070
G30     299.5          33.0                9.4 +/-    1.75      15.5 +/-    1.75  0.030 / 0.020