PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/28-04:57:30
G03     245.2          67.9                5.2 +/-    0.84       5.6 +/-    0.84  0.040 / 0.050
G09     304.1          20.0                5.6 +/-    4.20      12.3 +/-    4.20  0.040 / 0.060
G14     100.4          13.1                6.4 +/-    1.76      16.7 +/-    1.76  0.150 / 0.230
G16     134.1          58.5                9.1 +/-    1.57      10.5 +/-    1.57  0.130 / 0.340
G22     195.9          56.3                6.6 +/-    1.71       7.8 +/-    1.71  0.040 / 0.060
G23     317.9          47.5                4.3 +/-    1.56       5.6 +/-    1.56  0.040 / 0.050
G26     74.2           54.6                5.9 +/-    0.50       7.0 +/-    0.50  0.160 / 0.470
G31     51.2           22.3                3.5 +/-    1.87       7.2 +/-    1.87  0.130 / 0.490