PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/02-17:12:10
G02     46.3           44.2               14.4 +/-    0.92      19.6 +/-    0.92  0.040 / 0.050
G05     110.1          70.7               15.7 +/-    0.62      16.5 +/-    0.62  0.030 / 0.060
G12     190.1          51.1               15.7 +/-    2.03      19.6 +/-    2.03  0.030 / 0.060
G20     201.3          42.1               17.7 +/-    1.07      24.9 +/-    1.07  0.030 / 0.060
G25     263.1          59.3               14.9 +/-    1.29      17.1 +/-    1.29  0.060 / 0.080
G29     320.5          44.1               12.8 +/-    1.36      17.4 +/-    1.36  0.070 / 0.080