PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/06-04:12:50
G01     219.1          10.0                7.1 +/-    1.91      19.8 +/-    1.91  0.160 / 0.520
G03     261.7          69.0                4.4 +/-    0.57       4.6 +/-    0.57  0.150 / 0.380
G09     300.7          15.7                3.5 +/-    2.34       8.5 +/-    2.34  0.200 / 0.490
G14     96.0           16.6                5.7 +/-    1.23      13.7 +/-    1.23  0.210 / 0.470
G16     142.5          53.3                8.6 +/-    0.50      10.5 +/-    0.50  0.030 / 0.040
G22     201.2          62.0                8.1 +/-    0.66       9.1 +/-    0.66  0.030 / 0.050
G23     313.8          43.2                4.1 +/-    1.47       5.6 +/-    1.47  0.040 / 0.060
G26     85.1           56.3                4.8 +/-    0.30       5.7 +/-    0.30  0.040 / 0.060
G31     48.3           27.0                3.2 +/-    1.47       6.0 +/-    1.47  0.140 / 0.450