PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/10-04:28:10
G02     219.3          64.5                5.7 +/-    1.00       6.2 +/-    1.00  0.060 / 0.070
G06     55.1           76.5                3.8 +/-    0.62       3.9 +/-    0.62  0.050 / 0.080
G12     318.7          37.0                3.3 +/-    1.93       5.1 +/-    1.93  0.190 / 0.390
G17     61.3           28.1                3.9 +/-    1.53       7.1 +/-    1.53  0.160 / 0.320
G19     41.9           47.7                4.2 +/-    0.79       5.5 +/-    0.79  0.090 / 0.060
G24     256.9          40.9                6.5 +/-    3.30       9.3 +/-    3.30  0.080 / 0.100
G28     123.9          13.9                5.5 +/-    1.19      14.0 +/-    1.19  0.040 / 0.030