PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/24-07:12:40
G01     80.2           33.1                4.1 +/-    1.06       6.8 +/-    1.06  0.030 / 0.040
G07     132.3          37.3                6.5 +/-    0.93      10.0 +/-    0.93  0.040 / 0.030
G11     60.4           35.3                4.9 +/-    1.00       7.7 +/-    1.00  0.060 / 0.060
G13     286.3          36.9                5.8 +/-    1.14       8.9 +/-    1.14  0.060 / 0.060
G15     309.1          13.5                1.8 +/-    2.79       4.8 +/-    2.79  0.080 / 0.140
G17     222.3          63.3                7.2 +/-    1.31       8.0 +/-    1.31  0.100 / 0.160
G19     218.9          36.1                6.9 +/-    1.60      10.7 +/-    1.60  0.040 / 0.030
G28     6.5            60.6                3.7 +/-    1.29       4.2 +/-    1.29  0.040 / 0.030
G30     124.1          68.4                6.4 +/-    0.69       6.8 +/-    0.69  0.050 / 0.070