PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-01:27:50
G02     202.9          35.4                9.9 +/-    0.91      15.6 +/-    0.91  0.050 / 0.140
G06     170.4          65.2                7.7 +/-    0.72       8.4 +/-    0.72  0.050 / 0.130
G12     306.4          13.0                4.6 +/-    1.00      12.1 +/-    1.00  0.140 / 0.210
G17     37.5           47.7                5.1 +/-    0.44       6.6 +/-    0.44  0.100 / 0.230
G19     359.8          65.5                5.5 +/-    0.88       5.9 +/-    0.88  0.070 / 0.100
G24     295.9          39.5                6.4 +/-    1.53       9.3 +/-    1.53  0.060 / 0.090
G28     100.4          34.4                6.3 +/-    0.95      10.2 +/-    0.95  0.040 / 0.040