PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/02-15:12:30
G02     283.1          81.2               13.0 +/-    0.64      13.2 +/-    0.64  0.080 / 0.210
G05     171.1          22.2               16.3 +/-    1.71      34.0 +/-    1.71  0.100 / 0.220
G06     39.8           50.7               10.3 +/-    0.33      12.9 +/-    0.33  0.030 / 0.040
G12     319.7          61.0               11.6 +/-    0.71      13.0 +/-    0.71  0.020 / 0.050
G17     80.1           14.6                9.7 +/-    1.47      24.4 +/-    1.47  0.110 / 0.160
G19     67.9           31.2               11.5 +/-    0.91      19.6 +/-    0.91  0.110 / 0.180
G24     237.8          29.4               11.8 +/-    1.52      21.0 +/-    1.52  0.050 / 0.050
G25     317.8          22.9                8.1 +/-    1.21      16.7 +/-    1.21  0.040 / 0.040