PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-11:12:00
G02     49.3           40.1                4.7 +/-    0.92       6.8 +/-    0.92  0.030 / 0.030
G05     97.6           70.6                7.0 +/-    0.86       7.4 +/-    0.86  0.030 / 0.030
G12     184.6          46.6                7.9 +/-    1.57      10.4 +/-    1.57  0.030 / 0.070
G25     263.0          58.4                8.9 +/-    0.53      10.3 +/-    0.53  0.060 / 0.060
G29     318.5          40.7                5.1 +/-    1.51       7.4 +/-    1.51  0.050 / 0.070