PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/07-05:28:00
G08     262.3          15.6               10.4 +/-    3.56      25.5 +/-    3.56  0.040 / 0.040
G10     71.6           55.8                5.3 +/-    0.62       6.3 +/-    0.62  0.030 / 0.040
G11     307.4          20.5                6.3 +/-    1.67      13.6 +/-    1.67  0.230 / 0.400
G14     276.3          66.9                9.6 +/-    0.73      10.4 +/-    0.73  0.140 / 0.350
G18     308.9          36.2                6.0 +/-    1.63       9.4 +/-    1.63  0.150 / 0.340
G20     96.7           41.1                6.2 +/-    0.96       8.9 +/-    0.96  0.140 / 0.330
G21     155.7          10.6                5.1 +/-    4.84      14.1 +/-    4.84  0.230 / 0.280
G27     227.5          12.0                7.9 +/-    2.39      21.0 +/-    2.39  0.260 / 0.380
G31     175.3          38.4                9.1 +/-    1.68      13.7 +/-    1.68  0.270 / 0.480
G32     1.7            69.9                5.5 +/-    0.31       5.8 +/-    0.31  0.150 / 0.410