PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-01:12:40
G03     217.4          60.3                8.7 +/-    1.10       9.8 +/-    1.10  0.050 / 0.080
G07     256.2          15.6                9.7 +/-    1.43      23.8 +/-    1.43  0.060 / 0.060
G09     310.6          29.8                6.7 +/-    1.30      11.8 +/-    1.30  0.040 / 0.040
G14     107.0          10.3                6.3 +/-    2.92      17.4 +/-    2.92  0.040 / 0.040
G16     95.4           62.8                7.6 +/-    0.57       8.4 +/-    0.57  0.140 / 0.560
G22     191.7          44.1               10.2 +/-    2.36      13.9 +/-    2.36  0.140 / 0.490
G23     329.3          59.0                6.4 +/-    0.52       7.4 +/-    0.52  0.080 / 0.180
G26     54.9           43.7                5.2 +/-    1.15       7.2 +/-    1.15  0.080 / 0.220
G31     59.0           10.3                3.5 +/-    3.92       9.6 +/-    3.92  0.040 / 0.040