PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-21:27:30
G05     48.7           17.0                7.8 +/-    1.16      18.6 +/-    1.16  0.180 / 0.450
G13     74.2           35.3               11.7 +/-    0.99      18.4 +/-    0.99  0.230 / 0.430
G15     123.9          52.7               12.0 +/-    0.39      14.7 +/-    0.39  0.060 / 0.080
G16     313.9          12.5                8.7 +/-    2.75      23.0 +/-    2.75  0.040 / 0.080
G20     248.7          37.3               13.9 +/-    1.71      21.1 +/-    1.71  0.180 / 0.440
G21     313.3          46.4               10.9 +/-    0.86      14.4 +/-    0.86  0.170 / 0.470
G25     199.8          11.5               12.4 +/-    1.29      33.4 +/-    1.29  0.080 / 0.110
G26     287.4          20.1                8.5 +/-    1.60      18.6 +/-    1.60  0.080 / 0.110
G29     153.0          71.9               11.3 +/-    0.38      11.9 +/-    0.38  0.030 / 0.050