PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-22:43:00
G10     268.6          40.4                9.3 +/-    1.16      13.5 +/-    1.16  0.130 / 0.230
G13     41.0           16.4                7.3 +/-    1.01      17.4 +/-    1.01  0.140 / 0.250
G15     58.1           48.1                7.9 +/-    0.72      10.2 +/-    0.72  0.210 / 0.620
G16     278.2          12.2                9.3 +/-    2.32      24.8 +/-    2.32  0.190 / 0.620
G20     300.0          60.6                7.6 +/-    0.67       8.6 +/-    0.67  0.040 / 0.060
G21     3.5            71.9                9.0 +/-    0.91       9.4 +/-    0.91  0.040 / 0.050
G24     120.7          14.7                9.9 +/-    1.95      24.8 +/-    1.95  0.200 / 0.390
G27     318.6          19.2                8.4 +/-    1.86      18.9 +/-    1.86  0.150 / 0.530
G29     167.1          30.1                9.0 +/-    0.92      15.7 +/-    0.92  0.050 / 0.120