PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/30-06:43:00
G02     199.0          18.0                4.5 +/-    1.06      10.3 +/-    1.06  0.090 / 0.150
G06     171.0          49.3                7.8 +/-    0.67      10.0 +/-    0.67  0.100 / 0.210
G13     228.8          16.4                6.8 +/-    1.94      16.3 +/-    1.94  0.050 / 0.070
G17     17.7           62.9                7.0 +/-    0.60       7.8 +/-    0.60  0.050 / 0.060
G19     314.7          72.4                5.8 +/-    0.97       6.1 +/-    0.97  0.020 / 0.030
G24     312.9          25.1                3.7 +/-    1.18       7.2 +/-    1.18  0.040 / 0.030
G28     75.3           49.0                6.3 +/-    1.49       8.0 +/-    1.49  0.040 / 0.030
G30     157.8          22.0                6.9 +/-    1.10      14.5 +/-    1.10  0.040 / 0.020