PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-22:13:10
G10     248.7          26.7              -19.3 +/-   22.50     -36.2 +/-   22.50  0.040 / 0.040
G13     55.0           29.9                9.5 +/-    1.77      16.6 +/-    1.77  0.040 / 0.040
G15     90.9           57.9                9.4 +/-    1.13      10.8 +/-    1.13  0.070 / 0.120
G16     298.2          15.6                8.0 +/-    1.17      19.6 +/-    1.17  0.120 / 0.120
G20     267.2          49.3               10.4 +/-    4.04      13.2 +/-    4.04  0.040 / 0.040
G21     330.7          57.9                9.4 +/-    0.65      10.8 +/-    0.65  0.040 / 0.030
G26     270.4          16.3               11.6 +/-    1.73      27.9 +/-    1.73  0.100 / 0.390
G29     162.6          52.4               11.9 +/-    0.80      14.5 +/-    0.80  0.100 / 0.310