PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-01:12:40
G08     311.0          18.6                7.7 +/-    0.76      17.5 +/-    0.76  0.050 / 0.060
G10     327.3          59.3                8.7 +/-    0.49      10.0 +/-    0.49  0.080 / 0.060
G14     216.9          27.0               15.0 +/-    2.06      28.0 +/-    2.06  0.030 / 0.040
G15     46.4           15.6                6.5 +/-    1.22      15.9 +/-    1.22  0.030 / 0.040
G20     324.8          59.4               22.0 +/-    0.61      25.1 +/-    0.61  0.210 / 0.200
G21     131.4          60.7               11.0 +/-    0.60      12.4 +/-    0.60  0.210 / 0.210
G24     75.3           29.5               10.0 +/-    0.95      17.7 +/-    0.95  0.080 / 0.070
G27     278.6          37.6               10.7 +/-    0.90      16.1 +/-    0.90  0.070 / 0.090
G32     220.9          51.7               14.2 +/-    1.19      17.6 +/-    1.19  0.160 / 0.220