PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/04-23:28:00
G01     319.5          17.0                7.2 +/-    2.36      17.0 +/-    2.36  0.150 / 0.160
G08     256.8          13.8                9.4 +/-    1.40      24.1 +/-    1.40  0.130 / 0.160
G10     78.2           53.4               10.4 +/-    0.74      12.7 +/-    0.74  0.040 / 0.060
G11     303.3          23.2                7.9 +/-    2.15      16.1 +/-    2.15  0.040 / 0.060
G14     292.1          70.2               11.0 +/-    0.61      11.6 +/-    0.61  0.070 / 0.260
G18     304.9          40.7                9.1 +/-    1.46      13.0 +/-    1.46  0.080 / 0.180
G20     104.4          29.9               12.0 +/-    1.05      21.1 +/-    1.05  0.050 / 0.100
G31     176.3          40.7               13.3 +/-    1.15      19.1 +/-    1.15  0.050 / 0.100
G32     7.2            67.8               10.0 +/-    0.91      10.7 +/-    0.91  0.160 / 0.260