PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/25-13:12:50
G01     120.0          17.2                5.7 +/-    0.98      13.4 +/-    0.98  0.040 / 0.040
G07     78.0           67.0                5.6 +/-    0.61       6.0 +/-    0.61  0.040 / 0.040
G08     45.1           31.5                5.3 +/-    0.30       9.0 +/-    0.30  0.090 / 0.200
G09     175.8          25.4                5.3 +/-    0.95      10.3 +/-    0.95  0.080 / 0.260
G11     107.1          39.6                6.6 +/-    0.82       9.7 +/-    0.82  0.050 / 0.100
G13     318.1          18.8                4.7 +/-    1.79      10.5 +/-    1.79  0.050 / 0.080
G17     201.3          23.8                2.7 +/-    2.03       5.4 +/-    2.03  0.040 / 0.060
G18     94.9           20.4                6.3 +/-    0.55      13.8 +/-    0.55  0.040 / 0.050
G28     290.6          56.9                5.2 +/-    0.76       6.0 +/-    0.76  0.020 / 0.050
G30     342.9          67.0                3.6 +/-    1.04       3.8 +/-    1.04  0.020 / 0.040