PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-23:58:00
G01     319.9          15.9                4.7 +/-    3.48      11.4 +/-    3.48  0.150 / 0.330
G08     258.0          14.4                7.8 +/-    1.60      19.7 +/-    1.60  0.190 / 0.260
G10     76.2           54.1                8.3 +/-    0.44       9.9 +/-    0.44  0.040 / 0.060
G11     304.4          22.6                5.4 +/-    2.20      11.1 +/-    2.20  0.040 / 0.060
G14     288.0          69.8                7.1 +/-    0.68       7.5 +/-    0.68  0.180 / 0.320
G18     306.1          39.7                6.0 +/-    1.46       8.7 +/-    1.46  0.160 / 0.300
G20     103.3          30.8               10.5 +/-    1.03      18.0 +/-    1.03  0.080 / 0.220
G27     226.7          10.6               10.9 +/-    4.25      30.1 +/-    4.25  0.120 / 0.220
G31     176.3          39.6               10.7 +/-    1.26      15.6 +/-    1.26  0.120 / 0.260
G32     5.1            68.6                8.1 +/-    0.36       8.6 +/-    0.36  0.130 / 0.320