PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-18:27:40
G10     297.3          52.0                9.8 +/-    1.54      12.1 +/-    1.54  0.040 / 0.040
G14     210.0          11.6                1.3 +/-   30.78       3.6 +/-   30.78  0.040 / 0.040
G15     46.6           31.0                8.4 +/-    1.40      14.4 +/-    1.40  0.240 / 0.360
G20     351.9          65.4               10.0 +/-    0.39      10.9 +/-    0.39  0.110 / 0.480
G21     98.3           72.9               11.6 +/-    0.42      12.1 +/-    0.42  0.040 / 0.060
G24     93.7           25.9               10.9 +/-    1.38      20.9 +/-    1.38  0.040 / 0.090
G27     302.5          32.9                9.6 +/-    1.06      15.8 +/-    1.06  0.090 / 0.120
G32     210.3          31.8               12.5 +/-    0.86      21.1 +/-    0.86  0.100 / 0.120