PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-00:28:10
G02     202.1          32.7               11.0 +/-    1.25      18.2 +/-    1.25  0.130 / 0.090
G06     170.8          62.8               10.4 +/-    0.84      11.5 +/-    0.84  0.130 / 0.060
G12     304.9          11.0               -5.4 +/-   12.31     -14.8 +/-   12.31  0.050 / 0.040
G17     34.9           49.9                6.7 +/-    1.06       8.5 +/-    1.06  0.050 / 0.030
G19     354.4          66.9                7.3 +/-    0.80       7.8 +/-    0.80  0.090 / 0.250
G24     299.0          38.0                7.6 +/-    1.46      11.4 +/-    1.46  0.150 / 0.230
G28     97.6           36.2                8.2 +/-    0.66      12.7 +/-    0.66  0.050 / 0.090