PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-12:13:10
G03     189.6          20.8                6.4 +/-    1.73      13.7 +/-    1.73  0.040 / 0.090
G07     292.7          41.4                4.7 +/-    1.46       6.7 +/-    1.46  0.040 / 0.080
G08     143.4          26.5                5.9 +/-    0.82      11.2 +/-    0.82  0.080 / 0.130
G09     320.4          60.5                3.9 +/-    0.98       4.4 +/-    0.98  0.080 / 0.160
G16     43.8           40.7                3.0 +/-    1.11       4.4 +/-    1.11  0.050 / 0.090
G23     114.4          77.8                4.0 +/-    0.90       4.1 +/-    0.90  0.050 / 0.080
G26     43.8           13.0                3.2 +/-    0.61       8.3 +/-    0.61  0.030 / 0.040
G27     102.3          33.0                5.9 +/-    0.71       9.7 +/-    0.71  0.030 / 0.040
G30     274.2          14.8                5.6 +/-    1.06      14.0 +/-    1.06  0.030 / 0.040