PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-18:12:30
G10     255.5          32.3               10.6 +/-    2.94      17.7 +/-    2.94  0.120 / 0.370
G13     48.5           25.4               10.3 +/-    2.60      20.0 +/-    2.60  0.160 / 0.390
G15     74.7           55.3               10.1 +/-    1.14      12.0 +/-    1.14  0.060 / 0.050
G16     289.7          15.5                6.1 +/-    2.13      14.9 +/-    2.13  0.070 / 0.060
G20     279.7          55.5               11.8 +/-    2.60      14.0 +/-    2.60  0.130 / 0.150
G21     340.8          63.3               10.1 +/-    0.87      11.2 +/-    0.87  0.240 / 0.200
G26     263.2          13.3                8.0 +/-    2.21      20.6 +/-    2.21  0.040 / 0.060
G29     165.3          45.0               10.8 +/-    1.24      14.6 +/-    1.24  0.050 / 0.060