PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-00:12:40
G05     46.8           22.5                6.8 +/-    1.55      14.2 +/-    1.55  0.050 / 0.170
G13     85.0           36.1               10.4 +/-    0.72      16.2 +/-    0.72  0.060 / 0.140
G15     136.8          46.7               12.4 +/-    0.91      16.3 +/-    0.91  0.120 / 0.250
G16     318.9          10.4               -7.3 +/-   11.10     -20.3 +/-   11.10  0.120 / 0.460
G20     240.0          21.3               11.0 +/-    1.23      23.5 +/-    1.23  0.060 / 0.090
G21     305.9          41.7                9.9 +/-    1.03      14.0 +/-    1.03  0.070 / 0.100
G25     202.9          16.5               13.7 +/-    1.34      32.8 +/-    1.34  0.080 / 0.190
G26     293.3          21.1               10.2 +/-    1.55      22.0 +/-    1.55  0.110 / 0.170
G29     146.5          81.8                9.4 +/-    0.72       9.5 +/-    0.72  0.030 / 0.030