PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-15:12:50
G02     53.3           37.6                5.7 +/-    0.90       8.6 +/-    0.90  0.020 / 0.030
G05     76.9           69.1                7.6 +/-    0.48       8.1 +/-    0.48  0.030 / 0.030
G12     184.1          39.4                7.8 +/-    2.26      11.5 +/-    2.26  0.200 / 0.720
G13     132.1          10.1               -6.3 +/-   18.91     -17.4 +/-   18.91  0.220 / 0.690
G21     265.7          12.2                6.8 +/-    2.77      18.0 +/-    2.77  0.050 / 0.080
G25     250.2          56.2                8.0 +/-    1.30       9.4 +/-    1.30  0.040 / 0.060
G29     323.3          47.0                5.5 +/-    1.18       7.2 +/-    1.18  0.190 / 0.540