PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/27-01:58:00
G08     260.6          16.0                6.3 +/-    1.51      15.3 +/-    1.51  0.240 / 0.220
G10     70.7           55.9                4.0 +/-    0.63       4.8 +/-    0.63  0.210 / 0.370
G11     307.0          21.0                5.5 +/-    1.81      11.9 +/-    1.81  0.240 / 0.570
G14     278.4          68.3                4.2 +/-    0.63       4.5 +/-    0.63  0.280 / 0.720
G18     309.1          36.3                4.7 +/-    2.49       7.3 +/-    2.49  0.040 / 0.040
G20     62.6           67.3                3.1 +/-    0.95       3.3 +/-    0.95  0.040 / 0.040
G21     155.8          11.5                3.3 +/-    3.39       9.0 +/-    3.39  0.160 / 0.310
G27     228.2          12.5                5.1 +/-    0.99      13.5 +/-    0.99  0.110 / 0.320
G31     175.4          37.7                3.9 +/-    0.56       6.0 +/-    0.56  0.270 / 0.360
G32     0.3            70.4                3.0 +/-    0.32       3.1 +/-    0.32  0.160 / 0.380