PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/24-12:28:10
G02     210.1          52.5                5.3 +/-    0.66       6.5 +/-    0.66  0.050 / 0.110
G06     105.1          80.7                5.2 +/-    0.33       5.3 +/-    0.33  0.060 / 0.130
G12     315.7          28.2                4.0 +/-    1.64       7.3 +/-    1.64  0.060 / 0.070
G17     52.6           35.5                3.0 +/-    0.52       4.7 +/-    0.52  0.110 / 0.080
G19     32.4           52.9                4.7 +/-    0.67       5.7 +/-    0.67  0.080 / 0.280
G24     278.3          41.9                4.9 +/-    1.36       6.9 +/-    1.36  0.090 / 0.390
G28     117.7          18.6                5.8 +/-    1.71      13.3 +/-    1.71  0.040 / 0.080