PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-07:43:10
G01     88.1           32.2                4.8 +/-    1.49       8.1 +/-    1.49  0.060 / 0.050
G07     127.1          42.9                7.0 +/-    0.33       9.7 +/-    0.33  0.050 / 0.050
G11     66.7           38.3                4.8 +/-    0.75       7.2 +/-    0.75  0.040 / 0.050
G13     294.2          35.5                6.1 +/-    2.47       9.6 +/-    2.47  0.040 / 0.060
G15     314.2          10.9               -6.1 +/-   12.68     -16.8 +/-   12.68  0.040 / 0.040
G17     215.8          57.1                8.7 +/-    0.84      10.1 +/-    0.84  0.040 / 0.040
G19     215.3          30.1                5.3 +/-    2.63       9.3 +/-    2.63  0.140 / 0.220
G28     353.9          61.5                4.3 +/-    1.01       4.8 +/-    1.01  0.110 / 0.100
G30     109.0          74.3                5.7 +/-    0.57       5.9 +/-    0.57  0.090 / 0.100