PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/25-02:43:10
G08     302.9          21.5                6.6 +/-    2.29      13.9 +/-    2.29  0.100 / 0.090
G10     346.4          61.8                8.3 +/-    0.75       9.3 +/-    0.75  0.080 / 0.090
G14     222.4          35.3               12.3 +/-    1.24      19.4 +/-    1.24  0.080 / 0.150
G20     8.2            65.4                9.3 +/-    0.65      10.1 +/-    0.65  0.050 / 0.150
G21     140.6          51.2               10.0 +/-    1.01      12.5 +/-    1.01  0.060 / 0.100
G24     64.7           28.2                6.8 +/-    0.51      12.4 +/-    0.51  0.060 / 0.090
G27     265.9          35.7               10.3 +/-    1.36      16.2 +/-    1.36  0.030 / 0.040
G32     231.0          61.1                9.9 +/-    0.72      11.1 +/-    0.72  0.030 / 0.030