PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-03:58:00
G08     261.3          15.6               12.0 +/-    2.87      29.3 +/-    2.87  0.200 / 0.430
G10     71.7           55.7                7.7 +/-    0.70       9.1 +/-    0.70  0.190 / 0.360
G11     307.0          20.8                7.9 +/-    1.76      17.1 +/-    1.76  0.310 / 0.720
G14     277.9          67.6                8.2 +/-    0.86       8.8 +/-    0.86  0.180 / 0.530
G18     308.8          36.5                7.3 +/-    1.77      11.3 +/-    1.77  0.030 / 0.040
G20     88.1           53.0               13.3 +/-    0.97      16.3 +/-    0.97  0.040 / 0.050
G21     155.8          10.7                3.5 +/-    9.30       9.7 +/-    9.30  0.160 / 0.350
G27     227.6          12.0               10.7 +/-    2.19      28.6 +/-    2.19  0.140 / 0.310
G31     175.3          38.4                8.7 +/-    1.04      13.0 +/-    1.04  0.200 / 0.330
G32     1.7            69.9                7.2 +/-    0.49       7.6 +/-    0.49  0.150 / 0.290