PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-19:58:10
G08     313.8          16.7               16.8 +/-    3.89      40.1 +/-    3.89  0.050 / 0.060
G10     319.5          57.5               17.2 +/-    1.05      20.0 +/-    1.05  0.060 / 0.070
G14     215.2          26.1               24.9 +/-    2.39      47.4 +/-    2.39  0.050 / 0.040
G15     45.9           14.9               14.1 +/-    2.27      35.2 +/-    2.27  0.060 / 0.040
G18     30.2           61.3               20.5 +/-    1.18      23.0 +/-    1.18  0.210 / 0.650
G20     81.4           10.0               21.2 +/-    4.16      59.1 +/-    4.16  0.420 / 0.450
G21     127.8          58.9               23.3 +/-    0.80      26.7 +/-    0.80  0.060 / 0.090
G24     82.5           30.4               19.5 +/-    1.69      33.8 +/-    1.69  0.060 / 0.100
G27     281.0          38.1               20.4 +/-    1.22      30.7 +/-    1.22  0.150 / 0.130
G32     219.0          44.2               25.1 +/-    1.65      34.2 +/-    1.65  0.200 / 0.170