PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-08:27:40
G02     286.3          82.1                3.9 +/-    0.78       3.9 +/-    0.78  0.060 / 0.150
G05     170.6          20.7                3.9 +/-    0.74       8.4 +/-    0.74  0.060 / 0.180
G06     39.5           51.3                2.2 +/-    0.51       2.8 +/-    0.51  0.030 / 0.030
G12     321.1          61.1                3.5 +/-    1.10       3.9 +/-    1.10  0.040 / 0.030
G17     76.2           17.5                4.1 +/-    0.61       9.6 +/-    0.61  0.110 / 0.100
G19     64.6           32.3                4.2 +/-    0.62       7.0 +/-    0.62  0.110 / 0.110
G24     239.9          30.7                5.5 +/-    0.80       9.5 +/-    0.80  0.090 / 0.160
G25     317.0          18.1                4.3 +/-    0.86      10.0 +/-    0.86  0.090 / 0.170