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                8.3 +/-    1.30       9.4 +/-    1.30  0.060 / 0.070
G07     256.2          15.6                9.8 +/-    2.99      23.9 +/-    2.99  0.060 / 0.060
G09     310.6          29.8                6.7 +/-    0.98      11.7 +/-    0.98  0.270 / 0.530
G14     107.0          10.3                7.2 +/-    3.18      20.0 +/-    3.18  0.260 / 0.570
G16     95.4           62.8                8.1 +/-    0.93       9.0 +/-    0.93  0.080 / 0.260
G22     191.7          44.1                9.1 +/-    1.15      12.4 +/-    1.15  0.140 / 0.360
G23     329.3          59.0                7.5 +/-    0.51       8.6 +/-    0.51  0.040 / 0.040
G26     54.9           43.7                6.4 +/-    0.88       8.8 +/-    0.88  0.040 / 0.060
G31     59.0           10.3                5.7 +/-    2.25      15.8 +/-    2.25  0.040 / 0.040