PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-03:42:50
G03     192.6          23.2                5.0 +/-    1.42      10.2 +/-    1.42  0.030 / 0.080
G07     289.6          37.4                2.5 +/-    1.87       3.7 +/-    1.87  0.030 / 0.070
G08     141.2          27.4                8.8 +/-    0.92      16.2 +/-    0.92  0.040 / 0.080
G09     320.9          61.8                4.2 +/-    0.92       4.6 +/-    0.92  0.050 / 0.080
G16     44.1           46.5                3.8 +/-    1.20       5.0 +/-    1.20  0.060 / 0.150
G23     102.7          81.9                3.5 +/-    1.18       3.5 +/-    1.18  0.060 / 0.160
G26     43.4           16.1                2.2 +/-    1.49       5.3 +/-    1.49  0.030 / 0.030
G30     272.7          12.1                3.5 +/-    3.24       9.3 +/-    3.24  0.030 / 0.030