PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-17:58:00
G10     299.2          52.6                7.7 +/-    1.92       9.5 +/-    1.92  0.040 / 0.040
G14     210.3          12.8                8.8 +/-    2.73      23.0 +/-    2.73  0.030 / 0.040
G15     46.3           29.5                6.5 +/-    1.18      11.6 +/-    1.18  0.110 / 0.410
G20     355.0          65.3                8.2 +/-    0.53       8.9 +/-    0.53  0.090 / 0.450
G21     102.4          71.8                9.7 +/-    1.01      10.2 +/-    1.01  0.110 / 0.130
G24     92.1           26.3               10.0 +/-    1.01      19.0 +/-    1.01  0.120 / 0.120
G27     301.3          33.4                6.0 +/-    1.72       9.9 +/-    1.72  0.080 / 0.110
G32     210.9          32.8                9.8 +/-    1.57      16.3 +/-    1.57  0.100 / 0.080