PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/04-04:42:30
G01     73.4           32.0                5.9 +/-    1.37       9.9 +/-    1.37  0.040 / 0.030
G07     134.3          35.2                8.1 +/-    0.40      12.9 +/-    0.40  0.040 / 0.030
G11     59.0           37.5                5.4 +/-    1.20       8.1 +/-    1.20  0.090 / 0.260
G13     278.5          39.2                7.5 +/-    1.47      11.1 +/-    1.47  0.100 / 0.320
G15     303.7          15.7                2.5 +/-    1.83       6.0 +/-    1.83  0.070 / 0.060
G17     224.5          65.9                7.8 +/-    0.72       8.5 +/-    0.72  0.060 / 0.050
G19     219.9          40.4                7.6 +/-    1.68      11.0 +/-    1.68  0.040 / 0.040
G28     353.0          61.5                5.5 +/-    0.82       6.2 +/-    0.82  0.030 / 0.040
G30     130.0          70.5                8.7 +/-    0.47       9.2 +/-    0.47  0.140 / 0.070