PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/29-15:43:10
G08     306.9          20.8                4.9 +/-    2.26      10.6 +/-    2.26  0.100 / 0.130
G10     335.7          60.6                6.1 +/-    0.99       6.9 +/-    0.99  0.080 / 0.170
G14     218.5          32.7                7.0 +/-    1.46      11.6 +/-    1.46  0.040 / 0.040
G15     47.2           10.1                7.0 +/-    1.23      19.5 +/-    1.23  0.040 / 0.040
G20     40.3           59.8                5.9 +/-    1.01       6.7 +/-    1.01  0.040 / 0.040
G21     135.6          51.7                7.8 +/-    0.60       9.7 +/-    0.60  0.040 / 0.040
G24     68.5           28.0                7.2 +/-    1.95      13.2 +/-    1.95  0.140 / 0.190
G27     276.6          36.5                7.0 +/-    1.17      10.8 +/-    1.17  0.110 / 0.220
G32     224.1          52.1                8.1 +/-    1.99       9.9 +/-    1.99  0.070 / 0.090