PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/30-11:27:10
G02     52.0           37.7                5.3 +/-    1.30       8.0 +/-    1.30  0.030 / 0.040
G05     86.2           70.1                6.4 +/-    0.67       6.7 +/-    0.67  0.020 / 0.030
G12     183.8          42.6                7.9 +/-    0.76      11.1 +/-    0.76  0.040 / 0.060
G21     263.4          10.9               -6.1 +/-    7.13     -16.7 +/-    7.13  0.040 / 0.060
G25     255.8          57.6                6.8 +/-    1.57       7.9 +/-    1.57  0.050 / 0.060
G29     320.8          43.7                5.9 +/-    0.91       8.1 +/-    0.91  0.050 / 0.060