PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-15:12:10
G02     204.4          33.8               11.3 +/-    1.30      18.3 +/-    1.30  0.060 / 0.130
G06     154.8          70.7               11.4 +/-    1.15      12.0 +/-    1.15  0.060 / 0.140
G12     307.5          15.7                6.0 +/-    2.20      14.7 +/-    2.20  0.180 / 0.390
G19     7.3            63.7                7.9 +/-    0.43       8.7 +/-    0.43  0.150 / 0.360
G24     296.8          38.0               10.3 +/-    0.76      15.5 +/-    0.76  0.070 / 0.100
G28     100.4          35.8                8.5 +/-    0.56      13.3 +/-    0.56  0.070 / 0.100