PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/12-03:12:40
G08     313.0          17.1                8.2 +/-    2.66      19.3 +/-    2.66  0.050 / 0.070
G10     324.8          58.8               10.5 +/-    0.70      12.0 +/-    0.70  0.070 / 0.100
G14     216.4          24.7               14.2 +/-    3.21      28.0 +/-    3.21  0.080 / 0.280
G15     46.3           15.6                7.5 +/-    1.08      18.5 +/-    1.08  0.080 / 0.260
G20     1.5            65.0               16.3 +/-    0.36      17.8 +/-    0.36  0.030 / 0.040
G21     129.9          61.7               11.1 +/-    0.77      12.4 +/-    0.77  0.030 / 0.050
G24     77.3           29.7                9.2 +/-    0.66      16.2 +/-    0.66  0.030 / 0.050
G27     280.0          37.7               11.5 +/-    0.73      17.3 +/-    0.73  0.040 / 0.040
G32     220.0          50.5               13.9 +/-    1.25      17.4 +/-    1.25  0.160 / 0.290