PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/04-19:57:50
G08     318.0          13.5               11.4 +/-    1.18      29.3 +/-    1.18  0.050 / 0.080
G10     309.4          55.1               10.8 +/-    0.67      12.9 +/-    0.67  0.070 / 0.080
G14     212.8          20.5               13.6 +/-    1.61      29.6 +/-    1.61  0.030 / 0.050
G15     45.5           20.1               10.6 +/-    0.50      23.4 +/-    0.50  0.030 / 0.050
G18     18.8           63.5               10.6 +/-    0.70      11.7 +/-    0.70  0.080 / 0.170
G20     77.1           13.6               13.1 +/-    1.59      33.8 +/-    1.59  0.100 / 0.190
G21     119.4          64.4               15.2 +/-    0.27      16.7 +/-    0.27  0.060 / 0.130
G24     89.6           29.3               13.6 +/-    0.98      24.1 +/-    0.98  0.060 / 0.090
G27     288.8          37.6               11.6 +/-    1.18      17.6 +/-    1.18  0.050 / 0.070
G32     215.3          38.2               16.2 +/-    1.18      24.2 +/-    1.18  0.050 / 0.080