PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/18-01:28:00
G10     272.0          41.0               12.1 +/-    0.69      17.4 +/-    0.69  0.080 / 0.130
G13     40.0           14.7                9.2 +/-    1.92      22.9 +/-    1.92  0.080 / 0.140
G15     56.2           47.4               10.1 +/-    0.51      13.2 +/-    0.51  0.130 / 0.510
G16     273.5          10.6               10.1 +/-    1.94      27.7 +/-    1.94  0.080 / 0.670
G20     285.7          50.4                9.8 +/-    0.95      12.3 +/-    0.95  0.040 / 0.040
G21     12.0           74.1               12.6 +/-    0.45      13.0 +/-    0.45  0.040 / 0.050
G24     115.4          16.9               11.9 +/-    1.23      28.4 +/-    1.23  0.060 / 0.070
G27     316.4          22.2                7.2 +/-    2.26      14.9 +/-    2.26  0.060 / 0.070
G29     168.8          27.5               12.9 +/-    0.77      23.9 +/-    0.77  0.110 / 0.270
G32     204.5          14.9               16.2 +/-    4.16      40.6 +/-    4.16  0.110 / 0.270