PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/17-02:43:00
G01     320.1          14.7              -11.4 +/-   33.09     -28.5 +/-   33.09  0.230 / 0.330
G08     259.4          15.1                7.6 +/-    2.04      19.0 +/-    2.04  0.170 / 0.300
G10     73.8           55.0                7.4 +/-    0.46       8.8 +/-    0.46  0.190 / 0.320
G11     305.7          21.8                6.2 +/-    1.72      13.1 +/-    1.72  0.180 / 0.340
G14     282.6          68.8                6.6 +/-    0.63       7.0 +/-    0.63  0.030 / 0.040
G18     307.8          37.7                5.5 +/-    2.36       8.3 +/-    2.36  0.030 / 0.050
G20     77.6           62.0                7.6 +/-    0.68       8.5 +/-    0.68  0.110 / 0.290
G27     226.9          11.3                8.7 +/-    1.17      23.7 +/-    1.17  0.080 / 0.270
G31     175.0          39.7                8.2 +/-    1.47      12.0 +/-    1.47  0.160 / 0.230
G32     4.4            69.1                5.5 +/-    0.33       5.8 +/-    0.33  0.150 / 0.280