PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-14:42:40
G05     47.2           22.1                3.1 +/-    1.10       6.5 +/-    1.10  0.110 / 0.530
G13     80.3           36.1                6.2 +/-    0.39       9.7 +/-    0.39  0.110 / 0.570
G15     132.8          49.4                7.5 +/-    0.61       9.5 +/-    0.61  0.180 / 0.390
G16     318.1          10.4               -6.9 +/-    9.38     -19.1 +/-    9.38  0.190 / 0.340
G20     244.8          34.1                7.0 +/-    1.41      11.3 +/-    1.41  0.050 / 0.150
G21     311.8          46.4                5.3 +/-    1.03       6.9 +/-    1.03  0.050 / 0.130
G25     197.1          11.4                4.8 +/-    2.90      13.0 +/-    2.90  0.040 / 0.080
G26     293.3          19.7                5.0 +/-    2.64      11.1 +/-    2.64  0.040 / 0.060
G29     149.3          75.6                6.0 +/-    1.05       6.2 +/-    1.05  0.020 / 0.100