PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/13-00:12:40
G05     48.4           17.9                7.6 +/-    1.55      17.6 +/-    1.55  0.130 / 0.160
G10     235.2          11.2               -9.4 +/-   35.36     -25.5 +/-   35.36  0.090 / 0.160
G13     77.8           36.4               11.2 +/-    1.11      17.3 +/-    1.11  0.060 / 0.080
G15     130.1          50.9               13.1 +/-    0.39      16.4 +/-    0.39  0.080 / 0.080
G16     314.4          12.6                7.2 +/-    4.44      19.0 +/-    4.44  0.080 / 0.090
G20     243.5          23.9               14.2 +/-    1.93      28.5 +/-    1.93  0.080 / 0.090
G21     310.9          45.2               10.4 +/-    1.46      14.0 +/-    1.46  0.160 / 0.310
G25     200.1          12.1               13.3 +/-    3.18      35.5 +/-    3.18  0.130 / 0.350
G26     287.6          21.0                9.2 +/-    0.91      19.8 +/-    0.91  0.140 / 0.340
G29     154.9          75.5               12.1 +/-    0.98      12.5 +/-    0.98  0.160 / 0.380