PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-14:28:10
G02     213.6          52.4               10.0 +/-    0.80      12.3 +/-    0.80  0.070 / 0.070
G06     70.6           76.8                8.2 +/-    0.37       8.4 +/-    0.37  0.070 / 0.070
G12     316.5          32.0                8.1 +/-    1.27      13.6 +/-    1.27  0.080 / 0.070
G17     51.4           37.5                6.9 +/-    0.91      10.4 +/-    0.91  0.030 / 0.060
G19     35.7           50.7                6.5 +/-    1.35       8.2 +/-    1.35  0.040 / 0.050
G24     272.5          41.7                9.3 +/-    2.51      13.1 +/-    2.51  0.040 / 0.040
G28     117.3          23.0                8.3 +/-    0.95      16.9 +/-    0.95  0.030 / 0.030