PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/26-01:12:40
G01     127.3          11.5                3.5 +/-   22.80       9.6 +/-   22.80  0.060 / 0.090
G07     51.2           69.5                6.2 +/-    0.51       6.6 +/-    0.51  0.050 / 0.080
G08     51.5           41.0                6.0 +/-    0.80       8.6 +/-    0.80  0.100 / 0.270
G09     179.0          37.4                7.7 +/-    1.48      11.7 +/-    1.48  0.090 / 0.310
G11     120.9          34.4                7.0 +/-    0.88      11.3 +/-    0.88  0.030 / 0.040
G13     321.6          10.4               -8.6 +/-    8.58     -23.8 +/-    8.58  0.030 / 0.040
G17     200.2          14.1                8.3 +/-    2.33      21.0 +/-    2.33  0.040 / 0.050
G28     276.7          53.2                7.4 +/-    0.85       9.0 +/-    0.85  0.040 / 0.050
G30     338.1          63.0                4.5 +/-    0.67       5.0 +/-    0.67  0.150 / 0.320