PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/22-20:43:10
G02     350.5          76.0               12.9 +/-    0.60      13.2 +/-    0.60  0.050 / 0.080
G05     164.0          38.6               17.0 +/-    0.96      25.4 +/-    0.96  0.050 / 0.090
G06     44.2           33.2               10.4 +/-    0.86      17.1 +/-    0.86  0.040 / 0.070
G12     286.3          78.9               12.0 +/-    0.60      12.2 +/-    0.60  0.040 / 0.080
G19     83.0           21.1               11.8 +/-    2.42      25.2 +/-    2.42  0.180 / 0.290
G24     224.4          18.3               15.5 +/-    2.73      35.7 +/-    2.73  0.200 / 0.370
G25     314.4          40.1               14.5 +/-    2.42      21.1 +/-    2.42  0.030 / 0.030
G29     292.1          14.2               12.9 +/-    2.15      32.8 +/-    2.15  0.030 / 0.030