PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-03:27:50
G01     320.1          14.7              -12.9 +/-   31.00     -32.4 +/-   31.00  0.190 / 0.310
G08     259.9          15.1                9.4 +/-    1.91      23.3 +/-    1.91  0.190 / 0.290
G10     73.8           55.1                8.3 +/-    0.41       9.8 +/-    0.41  0.180 / 0.330
G11     305.9          21.6                8.9 +/-    2.08      18.8 +/-    2.08  0.170 / 0.310
G14     281.7          68.4                7.8 +/-    0.52       8.3 +/-    0.52  0.140 / 0.290
G18     307.8          37.5                6.7 +/-    1.86      10.2 +/-    1.86  0.090 / 0.210
G20     85.6           56.5               19.0 +/-    1.01      22.3 +/-    1.01  0.030 / 0.050
G27     226.8          11.3               12.2 +/-    1.98      33.0 +/-    1.98  0.030 / 0.040
G31     175.0          39.7                9.3 +/-    1.31      13.6 +/-    1.31  0.170 / 0.270
G32     4.4            69.1                6.7 +/-    0.43       7.1 +/-    0.43  0.170 / 0.300