PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-14:42:40
G02     201.6          21.9                9.8 +/-    2.70      20.5 +/-    2.70  0.050 / 0.080
G06     167.4          58.2                9.9 +/-    0.84      11.4 +/-    0.84  0.050 / 0.090
G13     223.4          11.0                8.2 +/-    1.43      22.3 +/-    1.43  0.090 / 0.120
G17     20.0           60.3                8.0 +/-    0.74       9.1 +/-    0.74  0.160 / 0.140
G19     339.0          70.2                8.3 +/-    0.39       8.7 +/-    0.39  0.030 / 0.040
G24     307.7          31.3                7.4 +/-    0.57      12.7 +/-    0.57  0.040 / 0.040
G28     87.3           43.0                8.2 +/-    1.40      11.3 +/-    1.40  0.040 / 0.030
G30     157.4          11.2                9.0 +/-    3.76      24.3 +/-    3.76  0.040 / 0.040