PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/20-23:43:10
G03     219.6          61.5                9.0 +/-    0.97      10.1 +/-    0.97  0.050 / 0.060
G07     255.0          14.3                5.7 +/-    4.56      14.5 +/-    4.56  0.050 / 0.060
G09     310.3          29.8                6.6 +/-    1.26      11.5 +/-    1.26  0.130 / 0.400
G14     105.7          12.0                6.5 +/-    2.28      17.3 +/-    2.28  0.170 / 0.420
G16     98.9           62.7                7.6 +/-    1.14       8.5 +/-    1.14  0.060 / 0.040
G22     192.1          45.3                9.7 +/-    0.73      13.0 +/-    0.73  0.040 / 0.030
G23     327.5          57.4                7.6 +/-    0.91       8.8 +/-    0.91  0.050 / 0.040
G26     56.4           45.0                5.6 +/-    0.66       7.6 +/-    0.66  0.040 / 0.040
G31     58.0           11.7                5.5 +/-    1.95      14.8 +/-    1.95  0.220 / 0.180