PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-18:28:00
G10     275.3          43.0                7.9 +/-    0.92      10.9 +/-    0.92  0.120 / 0.150
G13     39.0           12.3                7.2 +/-    1.64      19.1 +/-    1.64  0.110 / 0.170
G15     54.4           46.0                6.8 +/-    0.68       9.1 +/-    0.68  0.050 / 0.040
G20     312.5          63.1                8.5 +/-    0.84       9.4 +/-    0.84  0.040 / 0.050
G21     30.2           75.7                8.8 +/-    0.52       9.1 +/-    0.52  0.150 / 0.370
G24     110.7          18.6                9.5 +/-    1.47      21.6 +/-    1.47  0.180 / 0.390
G27     315.8          22.9                6.9 +/-    1.09      14.2 +/-    1.09  0.130 / 0.270
G29     168.1          23.5                9.2 +/-    2.43      18.6 +/-    2.43  0.110 / 0.250
G32     205.4          16.0               12.8 +/-    3.54      31.1 +/-    3.54  0.030 / 0.060