PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-09:43:10
G02     231.1          72.9                5.9 +/-    0.45       6.1 +/-    0.45  0.230 / 0.330
G06     42.5           62.8                3.6 +/-    0.64       4.0 +/-    0.64  0.280 / 0.420
G17     66.2           25.1                4.3 +/-    2.23       8.3 +/-    2.23  0.060 / 0.110
G19     53.0           39.9                2.9 +/-    1.29       4.2 +/-    1.29  0.070 / 0.080
G24     252.7          37.2                7.0 +/-    1.10      10.7 +/-    1.10  0.070 / 0.060
G28     127.7          12.5                5.5 +/-    4.48      14.5 +/-    4.48  0.080 / 0.060