PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/09-00:28:10
G02     218.1          63.5               12.1 +/-    0.93      13.3 +/-    0.93  0.080 / 0.080
G06     56.9           76.3               11.0 +/-    0.36      11.3 +/-    0.36  0.060 / 0.080
G12     318.2          35.4               10.0 +/-    1.68      15.8 +/-    1.68  0.150 / 0.370
G17     59.6           29.9               12.5 +/-    2.19      22.0 +/-    2.19  0.180 / 0.320
G19     41.7           47.6               12.7 +/-    0.95      16.5 +/-    0.95  0.060 / 0.060
G24     260.3          41.1               13.1 +/-    4.16      18.7 +/-    4.16  0.050 / 0.050
G28     122.9          15.6               14.1 +/-    2.64      34.6 +/-    2.64  0.090 / 0.110