PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-12:13:00
G02     229.0          71.9                5.8 +/-    0.63       6.1 +/-    0.63  0.120 / 0.260
G05     175.3          10.4               -4.8 +/-   20.25     -13.3 +/-   20.25  0.100 / 0.270
G06     43.0           67.5                4.9 +/-    0.33       5.3 +/-    0.33  0.060 / 0.090
G12     320.9          45.3                4.0 +/-    0.90       5.4 +/-    0.90  0.050 / 0.100
G17     67.8           23.9                3.4 +/-    0.91       6.9 +/-    0.91  0.060 / 0.100
G19     53.3           40.7                4.3 +/-    0.58       6.2 +/-    0.58  0.080 / 0.110
G24     253.3          37.8                7.0 +/-    0.80      10.6 +/-    0.80  0.030 / 0.060