PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/09-12:57:40
G03     312.0          18.7                3.7 +/-    1.68       8.4 +/-    1.68  0.050 / 0.040
G10     118.4          30.2                5.4 +/-    1.95       9.4 +/-    1.95  0.060 / 0.040
G11     269.2          26.0                4.9 +/-    1.61       9.4 +/-    1.61  0.080 / 0.130
G14     15.7           61.6                5.0 +/-    0.80       5.6 +/-    0.80  0.090 / 0.130
G18     256.9          48.0                5.3 +/-    9.06       6.8 +/-    9.06  0.090 / 0.180
G22     314.4          41.3                3.7 +/-    1.19       5.3 +/-    1.19  0.130 / 0.230
G25     69.3           19.1                5.5 +/-    1.28      12.4 +/-    1.28  0.070 / 0.080
G31     126.6          78.2                5.5 +/-    0.41       5.6 +/-    0.41  0.050 / 0.070
G32     50.7           41.9                3.6 +/-    0.66       5.1 +/-    0.66  0.090 / 0.140