PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-00:42:40
G10     293.1          50.4               10.0 +/-    1.10      12.5 +/-    1.10  0.060 / 0.080
G15     47.3           33.8                7.6 +/-    1.01      12.3 +/-    1.01  0.070 / 0.110
G20     296.4          50.1                6.5 +/-    0.56       8.2 +/-    0.56  0.040 / 0.040
G21     82.2           76.5                9.5 +/-    1.00       9.8 +/-    1.00  0.040 / 0.050
G24     99.1           25.2               10.2 +/-    0.77      19.8 +/-    0.77  0.050 / 0.040
G27     303.8          32.7               10.5 +/-    1.69      17.5 +/-    1.69  0.060 / 0.050
G29     168.7          11.3               14.0 +/-    2.57      38.1 +/-    2.57  0.090 / 0.160
G32     209.0          30.8               13.2 +/-    3.01      22.8 +/-    3.01  0.060 / 0.160