PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-15:43:10
G01     227.5          18.8                9.1 +/-    1.86      20.6 +/-    1.86  0.190 / 0.420
G03     287.4          69.5                6.8 +/-    0.77       7.2 +/-    0.77  0.260 / 0.420
G14     84.7           24.8                8.9 +/-    2.23      17.4 +/-    2.23  0.030 / 0.030
G16     154.8          39.2                9.9 +/-    0.47      14.7 +/-    0.47  0.030 / 0.040
G22     211.4          71.0                8.4 +/-    0.72       8.8 +/-    0.72  0.050 / 0.080
G23     305.1          34.9                6.2 +/-    1.70       9.8 +/-    1.70  0.050 / 0.080
G26     109.4          54.3                8.0 +/-    0.43       9.6 +/-    0.43  0.130 / 0.150
G31     44.0           36.3                6.3 +/-    1.02       9.8 +/-    1.02  0.170 / 0.170
G32     95.9           11.0                8.9 +/-    1.93      24.3 +/-    1.93  0.040 / 0.040