PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-00:43:00
G10     293.1          50.4               10.9 +/-    2.74      13.6 +/-    2.74  0.070 / 0.100
G15     47.3           33.8                7.4 +/-    1.10      11.9 +/-    1.10  0.070 / 0.080
G20     296.4          50.1                8.1 +/-    0.47      10.2 +/-    0.47  0.040 / 0.030
G21     82.2           76.5               10.2 +/-    0.36      10.4 +/-    0.36  0.040 / 0.040
G24     99.1           25.2               10.3 +/-    0.77      20.1 +/-    0.77  0.120 / 0.140
G27     303.8          32.7                8.6 +/-    1.23      14.3 +/-    1.23  0.110 / 0.140
G29     168.7          11.3               14.2 +/-    1.64      38.5 +/-    1.64  0.060 / 0.070
G32     209.0          30.8               12.9 +/-    1.40      22.2 +/-    1.40  0.080 / 0.060