PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/11-22:12:30
G02     217.8          62.7               11.3 +/-    1.03      12.5 +/-    1.03  0.080 / 0.300
G06     55.9           75.0                9.4 +/-    0.63       9.7 +/-    0.63  0.080 / 0.340
G12     318.0          35.1                8.4 +/-    1.29      13.3 +/-    1.29  0.090 / 0.090
G17     58.6           31.0                9.3 +/-    0.55      15.9 +/-    0.55  0.070 / 0.090
G19     41.7           47.5                9.0 +/-    0.50      11.7 +/-    0.50  0.050 / 0.050
G24     261.7          41.1               12.0 +/-    2.23      17.1 +/-    2.23  0.040 / 0.050
G28     122.5          16.5               11.8 +/-    1.90      28.4 +/-    1.90  0.050 / 0.100