PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/26-15:58:00
G02     339.6          79.2               10.3 +/-    0.56      10.5 +/-    0.56  0.110 / 0.300
G05     168.0          30.8               14.2 +/-    0.97      24.4 +/-    0.97  0.090 / 0.300
G06     41.4           41.6                9.1 +/-    0.49      12.8 +/-    0.49  0.030 / 0.040
G12     311.4          70.6               10.0 +/-    0.74      10.5 +/-    0.74  0.030 / 0.040
G19     76.4           25.7               10.8 +/-    0.66      20.8 +/-    0.66  0.070 / 0.140
G24     230.0          23.2               14.2 +/-    2.74      29.0 +/-    2.74  0.060 / 0.120
G25     317.0          31.6               11.2 +/-    1.69      19.0 +/-    1.69  0.030 / 0.050
G29     287.9          12.1               12.6 +/-    1.80      33.6 +/-    1.80  0.040 / 0.060