PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-17:27:50
G10     298.4          52.3                8.2 +/-    1.97      10.1 +/-    1.97  0.130 / 0.500
G14     210.1          12.4                7.6 +/-   24.21      20.2 +/-   24.21  0.140 / 0.520
G15     46.4           29.8                6.5 +/-    1.19      11.5 +/-    1.19  0.040 / 0.040
G20     353.6          65.3                8.1 +/-    0.49       8.8 +/-    0.49  0.040 / 0.030
G21     101.2          71.9                9.0 +/-    1.08       9.4 +/-    1.08  0.110 / 0.150
G24     92.6           26.1                9.8 +/-    1.29      18.6 +/-    1.29  0.090 / 0.130
G27     302.0          33.0                6.3 +/-    1.05      10.4 +/-    1.05  0.060 / 0.090
G32     210.7          32.0                9.2 +/-    1.16      15.5 +/-    1.16  0.060 / 0.100