PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-11:27:10
G02     212.6          55.0                7.2 +/-    0.47       8.6 +/-    0.47  0.080 / 0.100
G06     71.8           76.9                5.4 +/-    0.53       5.6 +/-    0.53  0.060 / 0.110
G12     316.9          33.5                2.5 +/-    1.95       4.0 +/-    1.95  0.070 / 0.080
G17     52.3           36.1                5.0 +/-    1.18       7.7 +/-    1.18  0.070 / 0.070
G19     35.6           50.7                4.7 +/-    1.52       5.9 +/-    1.52  0.040 / 0.040
G24     273.7          41.5                7.7 +/-    2.96      10.9 +/-    2.96  0.040 / 0.040
G28     116.7          24.1                5.5 +/-    1.08      11.0 +/-    1.08  0.080 / 0.210