PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-12:12:10
G02     229.0          71.9                7.0 +/-    0.36       7.3 +/-    0.36  0.140 / 0.250
G05     175.3          10.4               -7.9 +/-    9.01     -21.8 +/-    9.01  0.110 / 0.260
G06     43.0           67.5                5.0 +/-    0.41       5.3 +/-    0.41  0.060 / 0.090
G12     320.9          45.3                5.3 +/-    0.45       7.2 +/-    0.45  0.060 / 0.070
G17     67.8           23.9                3.9 +/-    1.69       7.8 +/-    1.69  0.070 / 0.090
G19     53.3           40.7                3.2 +/-    1.23       4.5 +/-    1.23  0.070 / 0.080
G24     253.3          37.8                6.8 +/-    2.60      10.3 +/-    2.60  0.030 / 0.060