PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-00:57:50
G05     49.0           16.2                7.0 +/-    2.57      16.8 +/-    2.57  0.110 / 0.240
G10     236.3          12.5               12.2 +/-    5.34      32.3 +/-    5.34  0.130 / 0.250
G13     75.5           36.4               10.4 +/-    0.96      16.2 +/-    0.96  0.220 / 0.240
G15     126.8          52.2               11.4 +/-    0.59      14.0 +/-    0.59  0.270 / 0.210
G16     312.9          13.2                7.5 +/-    3.07      19.4 +/-    3.07  0.080 / 0.090
G20     246.3          30.6               10.8 +/-    1.85      18.7 +/-    1.85  0.070 / 0.090
G21     312.6          46.5                9.3 +/-    1.30      12.3 +/-    1.30  0.030 / 0.020
G25     199.3          10.7               12.1 +/-    5.40      33.3 +/-    5.40  0.030 / 0.020
G26     285.7          20.9               10.3 +/-    1.27      22.2 +/-    1.27  0.070 / 0.090
G29     156.5          73.3                9.8 +/-    0.95      10.2 +/-    0.95  0.060 / 0.090