PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/06-16:27:40
G10     296.6          51.8                8.0 +/-    0.68       9.9 +/-    0.68  0.040 / 0.050
G14     209.8          11.4               -0.1 +/-   24.98      -0.1 +/-   24.98  0.040 / 0.050
G15     46.5           30.3                5.9 +/-    0.69      10.2 +/-    0.69  0.080 / 0.130
G20     350.7          65.4                6.6 +/-    1.21       7.1 +/-    1.21  0.080 / 0.170
G21     98.8           72.1                8.6 +/-    0.95       9.0 +/-    0.95  0.040 / 0.040
G24     93.5           25.6                8.7 +/-    1.05      16.8 +/-    1.05  0.040 / 0.050
G27     303.5          32.3                6.6 +/-    1.08      11.0 +/-    1.08  0.060 / 0.080
G32     210.2          30.5                9.3 +/-    2.54      16.2 +/-    2.54  0.060 / 0.100