PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/06-02:57:30
G07     312.0          49.6                3.5 +/-    1.05       4.5 +/-    1.05  0.090 / 0.190
G08     123.4          43.3                6.8 +/-    0.70       9.5 +/-    0.70  0.120 / 0.220
G09     262.8          84.7                3.7 +/-    0.67       3.8 +/-    0.67  0.130 / 0.250
G16     42.9           18.8                1.5 +/-    1.17       3.5 +/-    1.17  0.130 / 0.210
G23     147.4          59.5                5.8 +/-    0.70       6.6 +/-    0.70  0.040 / 0.070
G27     74.4           36.8                3.8 +/-    0.73       5.8 +/-    0.73  0.050 / 0.060
G30     287.6          22.0                4.2 +/-    1.32       8.8 +/-    1.32  0.050 / 0.080