PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-09:58:10
G02     200.5          25.4                6.9 +/-    1.02      13.5 +/-    1.02  0.050 / 0.110
G06     173.9          55.3               10.5 +/-    1.28      12.5 +/-    1.28  0.050 / 0.120
G13     225.8          10.7                4.8 +/-    2.60      13.1 +/-    2.60  0.030 / 0.040
G17     28.3           55.5                4.2 +/-    0.66       5.0 +/-    0.66  0.030 / 0.040
G19     340.7          69.8                6.2 +/-    0.45       6.5 +/-    0.45  0.090 / 0.130
G24     308.4          31.0                4.1 +/-    1.60       7.0 +/-    1.60  0.070 / 0.110
G28     92.9           36.9                7.1 +/-    0.68      10.9 +/-    0.68  0.050 / 0.040
G30     157.3          10.7                5.3 +/-    2.23      14.5 +/-    2.23  0.030 / 0.050