PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-00:12:40
G05     49.0           16.4                6.9 +/-    0.51      16.6 +/-    0.51  0.100 / 0.210
G10     236.3          12.6               14.3 +/-    5.11      37.7 +/-    5.11  0.100 / 0.250
G13     75.4           36.3               10.4 +/-    1.03      16.1 +/-    1.03  0.090 / 0.280
G15     127.5          52.2               12.1 +/-    0.70      14.9 +/-    0.70  0.100 / 0.300
G16     312.8          13.3                8.9 +/-    1.53      23.1 +/-    1.53  0.120 / 0.310
G20     244.8          24.7               11.3 +/-    0.88      22.2 +/-    0.88  0.160 / 0.310
G21     312.6          46.4               10.0 +/-    1.10      13.2 +/-    1.10  0.070 / 0.080
G25     199.1          10.6               12.6 +/-   25.14      34.8 +/-   25.14  0.060 / 0.070
G26     285.7          20.9                9.9 +/-    2.52      21.4 +/-    2.52  0.310 / 0.520
G29     156.5          73.4               11.0 +/-    0.70      11.4 +/-    0.70  0.290 / 0.500