PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-01:58:10
G08     318.3          13.4                8.3 +/-    2.38      21.6 +/-    2.38  0.050 / 0.090
G10     306.9          54.3                8.5 +/-    1.04      10.3 +/-    1.04  0.060 / 0.090
G14     212.2          20.1               11.1 +/-    3.11      24.4 +/-    3.11  0.030 / 0.040
G15     45.6           24.1                9.0 +/-    2.34      17.9 +/-    2.34  0.030 / 0.050
G18     10.6           64.8                8.7 +/-    0.71       9.5 +/-    0.71  0.030 / 0.030
G20     76.9           12.4                8.0 +/-    1.62      21.1 +/-    1.62  0.030 / 0.040
G21     114.6          69.0               10.9 +/-    0.42      11.6 +/-    0.42  0.080 / 0.100
G24     91.3           28.9               10.3 +/-    1.36      18.4 +/-    1.36  0.080 / 0.130
G27     290.3          37.3                8.6 +/-    4.67      13.1 +/-    4.67  0.050 / 0.070
G32     214.4          37.9                9.4 +/-    1.60      14.1 +/-    1.60  0.060 / 0.070