PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-17:57:30
G10     279.0          44.8               11.3 +/-    1.50      15.3 +/-    1.50  0.110 / 0.130
G15     51.9           43.0                9.1 +/-    0.32      12.6 +/-    0.32  0.080 / 0.150
G20     319.4          64.0               10.1 +/-    0.64      11.2 +/-    0.64  0.030 / 0.040
G21     44.3           76.4               11.5 +/-    0.40      11.8 +/-    0.40  0.040 / 0.050
G24     107.5          20.2               13.2 +/-    0.50      29.0 +/-    0.50  0.110 / 0.140
G27     313.9          24.9               10.0 +/-    1.95      19.5 +/-    1.95  0.090 / 0.160
G29     168.1          20.3               13.7 +/-    1.67      29.9 +/-    1.67  0.040 / 0.060
G32     206.1          18.7               14.9 +/-    3.17      33.9 +/-    3.17  0.030 / 0.060