PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/14-22:43:00
G08     313.2          17.4               10.4 +/-    1.65      24.3 +/-    1.65  0.050 / 0.050
G10     322.1          58.3               10.1 +/-    0.45      11.6 +/-    0.45  0.050 / 0.040
G14     215.4          24.8               15.7 +/-    2.18      30.7 +/-    2.18  0.160 / 0.240
G15     46.1           20.1                8.8 +/-    2.11      19.3 +/-    2.11  0.090 / 0.270
G20     26.6           62.4               12.7 +/-    1.49      14.1 +/-    1.49  0.080 / 0.060
G21     127.9          62.3               12.8 +/-    0.30      14.3 +/-    0.30  0.080 / 0.060
G24     77.8           29.1               11.6 +/-    0.85      20.7 +/-    0.85  0.030 / 0.030
G27     283.3          37.3               11.3 +/-    1.13      17.2 +/-    1.13  0.030 / 0.030
G32     218.7          48.1               13.1 +/-    1.08      16.9 +/-    1.08  0.130 / 0.220