PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/04-22:27:40
G10     250.9          28.5               11.8 +/-    2.36      21.3 +/-    2.36  0.210 / 0.690
G13     52.6           28.5                6.4 +/-    0.70      11.6 +/-    0.70  0.140 / 0.760
G15     85.4           57.5                9.2 +/-    0.26      10.7 +/-    0.26  0.030 / 0.060
G16     295.6          15.6                8.6 +/-    2.77      21.2 +/-    2.77  0.040 / 0.050
G20     270.6          50.9               11.1 +/-    1.19      13.8 +/-    1.19  0.050 / 0.170
G21     333.8          59.7                9.2 +/-    0.66      10.5 +/-    0.66  0.060 / 0.160
G26     268.0          15.3               10.3 +/-    2.56      25.5 +/-    2.56  0.090 / 0.100
G29     163.4          49.4               10.0 +/-    0.98      12.7 +/-    0.98  0.080 / 0.120