PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-19:57:50
G07     336.0          59.4               11.5 +/-    0.93      13.1 +/-    0.93  0.050 / 0.080
G08     101.1          50.5               13.0 +/-    0.67      16.3 +/-    0.67  0.050 / 0.120
G09     199.1          77.3               11.4 +/-    0.88      11.7 +/-    0.88  0.120 / 0.300
G11     146.2          12.3               14.4 +/-    3.54      38.3 +/-    3.54  0.130 / 0.330
G16     45.4           14.0                8.0 +/-    1.39      20.3 +/-    1.39  0.070 / 0.110
G23     155.0          46.2               13.5 +/-    0.66      17.8 +/-    0.66  0.070 / 0.130
G27     60.1           34.6               10.5 +/-    0.48      16.8 +/-    0.48  0.050 / 0.060
G28     233.9          23.7               15.2 +/-    1.53      30.7 +/-    1.53  0.040 / 0.060
G30     299.7          33.4               10.7 +/-    1.31      17.5 +/-    1.31  0.030 / 0.060