PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/27-01:58:10
G08     260.2          15.8                5.9 +/-    2.25      14.3 +/-    2.25  0.180 / 0.280
G10     71.5           55.7                4.2 +/-    1.05       4.9 +/-    1.05  0.230 / 0.680
G11     306.7          21.2                5.2 +/-    3.40      11.1 +/-    3.40  0.190 / 0.520
G14     279.6          68.5                4.2 +/-    0.73       4.5 +/-    0.73  0.170 / 0.550
G18     308.8          36.7                5.5 +/-    2.45       8.4 +/-    2.45  0.040 / 0.070
G20     63.8           67.1                5.2 +/-    0.99       5.6 +/-    0.99  0.040 / 0.060
G21     155.8          11.1                3.9 +/-    1.14      10.5 +/-    1.14  0.100 / 0.300
G27     227.9          12.2                4.1 +/-   13.33      10.8 +/-   13.33  0.120 / 0.280
G31     175.3          38.1                6.0 +/-    1.15       9.0 +/-    1.15  0.140 / 0.320
G32     1.4            70.0                4.7 +/-    0.78       4.9 +/-    0.78  0.150 / 0.260