PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-19:12:30
G02     218.1          61.6               10.5 +/-    0.80      11.7 +/-    0.80  0.080 / 0.080
G06     54.0           73.2                9.6 +/-    1.02      10.0 +/-    1.02  0.060 / 0.080
G12     318.2          35.8                8.5 +/-    1.64      13.2 +/-    1.64  0.110 / 0.340
G17     57.5           32.5                8.0 +/-    0.56      13.4 +/-    0.56  0.080 / 0.340
G19     42.3           47.0                9.7 +/-    0.45      12.7 +/-    0.45  0.040 / 0.050
G24     262.7          40.9               12.0 +/-    0.86      17.2 +/-    0.86  0.040 / 0.060
G28     122.3          17.2                9.8 +/-    1.62      23.1 +/-    1.62  0.040 / 0.110