PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/04-02:43:00
G01     317.5          21.0                8.3 +/-    2.68      17.9 +/-    2.68  0.030 / 0.040
G08     252.6          11.3                9.9 +/-    2.47      27.0 +/-    2.47  0.030 / 0.030
G10     84.3           52.1                6.9 +/-    0.63       8.5 +/-    0.63  0.230 / 0.280
G11     298.2          26.2                7.5 +/-    2.03      14.3 +/-    2.03  0.190 / 0.240
G14     314.0          71.6                6.4 +/-    0.67       6.7 +/-    0.67  0.190 / 0.210
G18     104.5          27.2                6.6 +/-    1.94      12.3 +/-    1.94  0.150 / 0.190
G22     302.1          12.9                6.9 +/-    5.52      17.9 +/-    5.52  0.210 / 0.270
G25     94.6           10.0               -3.5 +/-   34.61      -9.6 +/-   34.61  0.350 / 0.350
G31     176.6          44.7                7.9 +/-    0.61      10.7 +/-    0.61  0.050 / 0.040
G32     9.1            66.2                6.0 +/-    0.31       6.5 +/-    0.31  0.040 / 0.050