PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-01:58:00
G10     279.3          44.6               12.6 +/-    1.20      17.1 +/-    1.20  0.090 / 0.170
G13     38.2           9.8                 7.0 +/-    1.76      19.5 +/-    1.76  0.140 / 0.130
G15     51.5           42.1                7.9 +/-    0.59      11.1 +/-    0.59  0.040 / 0.040
G20     297.3          55.6               16.0 +/-    0.88      18.9 +/-    0.88  0.040 / 0.030
G21     34.5           76.9               10.7 +/-    0.86      11.0 +/-    0.86  0.120 / 0.180
G24     109.9          20.3               12.3 +/-    2.85      27.0 +/-    2.85  0.100 / 0.200
G27     312.6          26.6                9.0 +/-    1.51      17.0 +/-    1.51  0.130 / 0.630
G29     169.0          21.2               12.0 +/-    2.00      25.7 +/-    2.00  0.080 / 0.430
G32     205.8          20.7               15.7 +/-    3.05      33.9 +/-    3.05  0.030 / 0.050