PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/06-21:43:10
G02     58.3           34.9                9.0 +/-    0.96      14.3 +/-    0.96  0.050 / 0.050
G05     61.6           64.8               11.5 +/-    0.39      12.5 +/-    0.39  0.050 / 0.040
G12     184.4          31.3               15.8 +/-    1.31      27.0 +/-    1.31  0.040 / 0.050
G13     129.5          15.3               17.4 +/-    2.74      42.8 +/-    2.74  0.040 / 0.070
G15     165.1          11.2               10.7 +/-   38.61      29.2 +/-   38.61  0.050 / 0.120
G20     206.9          61.9               15.9 +/-    0.57      17.8 +/-    0.57  0.040 / 0.120
G21     271.2          17.6               15.4 +/-    3.24      36.0 +/-    3.24  0.220 / 0.410
G25     228.0          50.4               16.0 +/-    1.25      20.1 +/-    1.25  0.160 / 0.400
G29     330.1          56.9               12.1 +/-    0.63      14.2 +/-    0.63  0.030 / 0.050