PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/19-23:13:10
G01     320.4          13.1                8.2 +/-    2.47      21.4 +/-    2.47  0.120 / 0.350
G08     261.5          15.9               11.9 +/-    2.38      29.0 +/-    2.38  0.080 / 0.300
G10     69.2           56.9                8.6 +/-    0.84      10.0 +/-    0.84  0.030 / 0.040
G11     307.3          20.9                9.2 +/-    2.46      19.8 +/-    2.46  0.030 / 0.040
G14     282.4          69.6               11.0 +/-    0.79      11.6 +/-    0.79  0.080 / 0.090
G18     96.8           32.6               10.2 +/-    0.69      16.9 +/-    0.69  0.050 / 0.090
G27     226.8          12.1               12.3 +/-    6.43      32.7 +/-    6.43  0.040 / 0.040
G31     180.4          32.3               12.1 +/-    1.67      20.2 +/-    1.67  0.030 / 0.040
G32     344.3          72.3               10.3 +/-    1.43      10.8 +/-    1.43  0.050 / 0.060