PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/25-16:28:10
G10     245.9          21.9               11.3 +/-    1.47      23.8 +/-    1.47  0.040 / 0.040
G13     60.2           33.8                9.3 +/-    1.99      15.0 +/-    1.99  0.040 / 0.040
G15     96.0           57.1               11.4 +/-    1.04      13.3 +/-    1.04  0.050 / 0.050
G16     306.3          13.0                8.4 +/-    3.08      21.8 +/-    3.08  0.050 / 0.050
G18     262.4          53.8               10.4 +/-    2.68      12.5 +/-    2.68  0.280 / 0.360
G20     36.9           55.4                8.9 +/-    0.68      10.6 +/-    0.68  0.160 / 0.310
G21     332.7          59.6                9.2 +/-    0.79      10.4 +/-    0.79  0.150 / 0.390
G26     276.7          17.1                9.3 +/-    1.93      22.0 +/-    1.93  0.190 / 0.450
G29     160.3          51.0               11.6 +/-    0.67      14.5 +/-    0.67  0.060 / 0.120