PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-17:42:30
G02     7.2            72.1               19.2 +/-    0.63      20.1 +/-    0.63  0.150 / 0.200
G05     164.6          40.5               22.4 +/-    1.15      32.3 +/-    1.15  0.130 / 0.230
G06     45.0           31.6               16.8 +/-    0.54      28.5 +/-    0.54  0.030 / 0.040
G12     275.1          79.1               15.5 +/-    1.25      15.8 +/-    1.25  0.030 / 0.040
G19     85.6           19.4               17.4 +/-    1.59      38.8 +/-    1.59  0.050 / 0.090
G24     222.2          16.0               16.7 +/-    1.99      40.5 +/-    1.99  0.050 / 0.100
G25     313.1          42.0               17.9 +/-    1.75      25.3 +/-    1.75  0.050 / 0.060
G29     295.3          17.8               15.3 +/-    1.37      35.6 +/-    1.37  0.060 / 0.070