PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-07:12:30
G02     212.7          59.5                7.8 +/-    0.99       8.8 +/-    0.99  0.040 / 0.050
G06     68.8           76.8                6.6 +/-    1.00       6.8 +/-    1.00  0.040 / 0.060
G12     317.3          34.7                3.8 +/-    0.78       6.1 +/-    0.78  0.060 / 0.080
G17     54.6           33.6                3.5 +/-    0.74       5.7 +/-    0.74  0.050 / 0.080
G19     37.3           49.7                3.9 +/-    0.81       4.9 +/-    0.81  0.070 / 0.200
G24     271.5          41.4                5.0 +/-    0.92       7.1 +/-    0.92  0.070 / 0.250
G28     117.4          24.3                7.8 +/-    1.44      15.6 +/-    1.44  0.040 / 0.060