PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-20:28:10
G05     48.3           18.7                7.8 +/-    2.63      17.8 +/-    2.63  0.230 / 0.180
G10     235.4          11.7              -12.2 +/-   35.42     -32.9 +/-   35.42  0.170 / 0.180
G13     77.0           36.2               10.3 +/-    0.82      16.0 +/-    0.82  0.180 / 0.430
G15     132.9          50.7               11.4 +/-    0.41      14.3 +/-    0.41  0.120 / 0.380
G16     313.6          13.2                9.3 +/-    3.07      24.1 +/-    3.07  0.170 / 0.490
G20     238.8          -3.4                6.5 +/-    1.54      20.1 +/-    1.54  0.280 / 0.610
G21     311.0          45.2                9.7 +/-    1.34      13.0 +/-    1.34  0.060 / 0.080
G25     199.0          11.3               14.8 +/-    1.93      40.0 +/-    1.93  0.060 / 0.080
G26     287.0          21.1               11.8 +/-    1.11      25.4 +/-    1.11  0.070 / 0.090
G29     155.1          75.4               11.4 +/-    1.13      11.7 +/-    1.13  0.070 / 0.090