PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/14-17:58:10
G02     226.9          67.2               16.4 +/-    4.17      17.6 +/-    4.17  0.060 / 0.100
G06     43.7           64.6              -12.8 +/-   25.42     -14.0 +/-   25.42  0.060 / 0.110
G12     321.4          46.6                8.7 +/-    0.98      11.4 +/-    0.98  0.040 / 0.070
G17     67.7           23.6               15.2 +/-   11.80      30.6 +/-   11.80  0.040 / 0.060
G19     53.0           40.7              -28.4 +/-   56.77     -40.8 +/-   56.77  0.200 / 0.450
G24     254.4          38.2               13.0 +/-    0.76      19.5 +/-    0.76  0.200 / 0.410
G25     315.7          11.4               -5.1 +/-   39.82     -13.8 +/-   39.82  0.060 / 0.120