PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-17:58:00
G10     279.0          44.8               11.6 +/-    1.76      15.7 +/-    1.76  0.030 / 0.030
G13     38.2           9.8                 7.0 +/-    2.63      19.5 +/-    2.63  0.030 / 0.040
G15     51.9           43.0                9.6 +/-    0.94      13.3 +/-    0.94  0.130 / 0.640
G20     319.4          64.0               11.2 +/-    0.89      12.3 +/-    0.89  0.100 / 0.450
G21     44.3           76.4               11.7 +/-    0.56      12.0 +/-    0.56  0.050 / 0.050
G24     107.5          20.2               13.0 +/-    1.60      28.4 +/-    1.60  0.030 / 0.040
G27     313.9          24.9                9.8 +/-    1.28      19.1 +/-    1.28  0.160 / 0.190
G29     168.1          20.3               14.0 +/-    3.66      30.6 +/-    3.66  0.130 / 0.180
G32     206.1          18.7               16.0 +/-    1.68      36.3 +/-    1.68  0.120 / 0.120