PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/18-23:27:50
G01     48.6           24.3                7.9 +/-    1.62      15.6 +/-    1.62  0.190 / 0.220
G06     180.2          22.8                9.4 +/-    2.08      19.4 +/-    2.08  0.180 / 0.330
G11     43.8           12.7                7.2 +/-    2.42      18.8 +/-    2.42  0.080 / 0.150
G13     248.1          30.0                9.8 +/-    1.10      17.1 +/-    1.10  0.120 / 0.190
G15     281.6          15.5                6.8 +/-    1.83      16.7 +/-    1.83  0.040 / 0.050
G17     330.7          78.2                9.7 +/-    0.39       9.9 +/-    0.39  0.040 / 0.050
G19     248.3          60.9                9.5 +/-    0.44      10.7 +/-    0.44  0.060 / 0.080
G24     318.5          10.8              -10.1 +/-   27.99     -27.6 +/-   27.99  0.050 / 0.060
G28     49.5           54.7                8.8 +/-    1.28      10.6 +/-    1.28  0.050 / 0.040
G30     150.3          39.4               10.4 +/-    1.66      15.2 +/-    1.66  0.060 / 0.040