PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-01:42:40
G10     257.0          33.0               12.6 +/-    1.78      20.8 +/-    1.78  0.040 / 0.050
G13     47.4           24.6                9.0 +/-    0.98      17.7 +/-    0.98  0.040 / 0.060
G15     71.7           54.4               10.3 +/-    0.32      12.4 +/-    0.32  0.060 / 0.120
G16     290.3          14.6                8.0 +/-    0.83      20.2 +/-    0.83  0.080 / 0.120
G20     280.2          55.0               11.7 +/-    0.87      14.0 +/-    0.87  0.120 / 0.400
G21     343.8          64.8                8.3 +/-    0.90       9.1 +/-    0.90  0.100 / 0.400
G26     262.6          12.5               11.0 +/-    1.60      29.1 +/-    1.60  0.060 / 0.170
G29     164.6          40.6               11.5 +/-    1.74      16.6 +/-    1.74  0.060 / 0.170