PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/25-00:12:40
G08     311.5          18.4                8.1 +/-    1.66      18.6 +/-    1.66  0.060 / 0.060
G10     325.1          58.9                8.7 +/-    0.86      10.0 +/-    0.86  0.050 / 0.060
G14     216.2          26.3               14.0 +/-    1.72      26.5 +/-    1.72  0.040 / 0.040
G15     46.3           17.1                6.7 +/-    2.15      15.9 +/-    2.15  0.030 / 0.050
G20     311.0          53.1                8.9 +/-    1.30      10.9 +/-    1.30  0.100 / 0.250
G21     129.9          62.0               11.1 +/-    0.34      12.4 +/-    0.34  0.080 / 0.260
G24     76.5           29.4                9.8 +/-    1.23      17.3 +/-    1.23  0.050 / 0.090
G27     280.3          37.6               10.7 +/-    1.07      16.2 +/-    1.07  0.060 / 0.080
G32     219.9          50.5               12.6 +/-    1.37      15.8 +/-    1.37  0.120 / 0.200