PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-03:27:50
G05     49.6           14.1                5.2 +/-    2.56      13.2 +/-    2.56  0.050 / 0.060
G10     237.3          15.1               14.3 +/-    1.45      35.5 +/-    1.45  0.040 / 0.060
G13     72.3           35.3               10.1 +/-    0.83      16.0 +/-    0.83  0.160 / 0.230
G15     118.6          53.7               12.1 +/-    0.80      14.7 +/-    0.80  0.160 / 0.190
G16     314.8          11.5                8.4 +/-    2.27      22.7 +/-    2.27  0.160 / 0.580
G20     250.3          38.7               13.5 +/-    1.60      20.1 +/-    1.60  0.160 / 0.480
G21     316.4          49.0               10.8 +/-    1.06      13.8 +/-    1.06  0.060 / 0.130
G26     287.5          19.4               11.0 +/-    1.08      24.7 +/-    1.08  0.060 / 0.160
G29     152.9          66.6               11.4 +/-    0.82      12.3 +/-    0.82  0.030 / 0.040