PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/13-22:43:00
G01     320.5          13.9              -10.4 +/-   36.29     -26.4 +/-   36.29  0.160 / 0.430
G08     259.9          15.6               12.4 +/-    1.86      30.3 +/-    1.86  0.140 / 0.470
G10     72.3           55.3               11.5 +/-    0.65      13.6 +/-    0.65  0.140 / 0.240
G11     306.4          21.4                9.0 +/-    1.89      19.2 +/-    1.89  0.200 / 0.350
G14     281.7          69.1               11.8 +/-    0.62      12.5 +/-    0.62  0.040 / 0.050
G18     307.9          38.1               10.4 +/-    1.25      15.6 +/-    1.25  0.040 / 0.050
G20     101.1          32.5               12.1 +/-    0.56      20.1 +/-    0.56  0.070 / 0.220
G27     228.7          12.3               15.3 +/-    7.00      40.5 +/-    7.00  0.080 / 0.190
G31     177.4          36.4               16.3 +/-    1.50      25.3 +/-    1.50  0.130 / 0.260
G32     358.8          70.5               10.3 +/-    0.72      10.9 +/-    0.72  0.140 / 0.330