PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-22:12:50
G05     48.6           17.5                9.0 +/-    1.13      21.1 +/-    1.13  0.090 / 0.190
G10     235.9          12.2               10.7 +/-   26.71      28.5 +/-   26.71  0.190 / 0.120
G13     76.1           36.3               12.5 +/-    0.87      19.3 +/-    0.87  0.050 / 0.080
G15     130.3          51.5               13.7 +/-    0.87      17.0 +/-    0.87  0.060 / 0.080
G16     313.1          13.3                9.7 +/-    2.03      25.2 +/-    2.03  0.180 / 0.400
G20     241.3          9.3                 8.0 +/-    2.17      22.7 +/-    2.17  0.260 / 0.330
G21     311.9          45.9               12.8 +/-    1.59      17.1 +/-    1.59  0.100 / 0.300
G25     199.0          10.9               14.6 +/-    2.60      40.1 +/-    2.60  0.140 / 0.260
G26     286.2          21.0               12.5 +/-    1.44      26.8 +/-    1.44  0.060 / 0.100
G29     155.9          74.3               11.0 +/-    0.93      11.4 +/-    0.93  0.060 / 0.090