PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/02-20:27:40
G07     336.6          59.6               12.7 +/-    0.83      14.4 +/-    0.83  0.120 / 0.260
G08     99.8           50.7               13.8 +/-    0.75      17.2 +/-    0.75  0.120 / 0.220
G09     196.9          76.6               13.9 +/-    0.82      14.3 +/-    0.82  0.060 / 0.070
G11     145.8          12.7               17.9 +/-    4.01      47.1 +/-    4.01  0.060 / 0.080
G16     45.6           13.1                8.0 +/-    2.76      20.8 +/-    2.76  0.100 / 0.120
G23     155.3          45.7               15.2 +/-    0.91      20.2 +/-    0.91  0.090 / 0.090
G27     59.6           34.4               10.5 +/-    0.81      16.9 +/-    0.81  0.050 / 0.070
G28     234.4          24.3               16.9 +/-    2.31      33.5 +/-    2.31  0.050 / 0.080
G30     300.1          33.7               12.0 +/-    0.92      19.6 +/-    0.92  0.040 / 0.050