PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/01-03:57:40
G08     313.3          16.8                7.7 +/-    2.65      18.4 +/-    2.65  0.050 / 0.060
G10     324.8          58.8                8.3 +/-    0.73       9.5 +/-    0.73  0.040 / 0.060
G14     216.5          24.3               12.6 +/-    2.90      24.9 +/-    2.90  0.060 / 0.080
G15     46.3           15.2                4.1 +/-    1.14      10.2 +/-    1.14  0.070 / 0.080
G20     17.7           64.1                8.1 +/-    0.38       8.9 +/-    0.38  0.090 / 0.310
G21     130.0          61.6                8.5 +/-    0.75       9.6 +/-    0.75  0.100 / 0.290
G24     77.4           29.7                6.4 +/-    0.95      11.2 +/-    0.95  0.080 / 0.130
G27     279.9          37.7                9.2 +/-    0.61      13.9 +/-    0.61  0.300 / 0.260
G32     220.0          50.5               10.1 +/-    1.27      12.7 +/-    1.27  0.040 / 0.040