PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-11:42:50
G02     228.0          71.5                5.0 +/-    0.59       5.3 +/-    0.59  0.110 / 0.230
G05     175.3          10.1               -8.5 +/-   15.37     -23.6 +/-   15.37  0.050 / 0.080
G06     43.5           68.6                3.1 +/-    0.32       3.3 +/-    0.32  0.050 / 0.090
G12     320.8          44.6                4.2 +/-    1.07       5.6 +/-    1.07  0.030 / 0.070
G17     67.2           24.4                3.8 +/-    0.66       7.6 +/-    0.66  0.040 / 0.070
G19     52.6           41.1                4.1 +/-    1.01       5.9 +/-    1.01  0.060 / 0.110
G24     254.0          38.0                5.9 +/-    0.76       8.8 +/-    0.76  0.070 / 0.110