PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-01:58:10
G03     234.3          67.0                5.3 +/-    0.57       5.7 +/-    0.57  0.050 / 0.050
G07     249.9          10.3               -7.2 +/-   16.91     -19.9 +/-   16.91  0.060 / 0.070
G09     305.6          22.3                3.6 +/-    3.50       7.6 +/-    3.50  0.190 / 0.310
G14     100.4          15.5                4.3 +/-    0.73      10.6 +/-    0.73  0.050 / 0.060
G16     116.6          60.2                6.1 +/-    0.58       6.9 +/-    0.58  0.050 / 0.060
G22     196.5          53.3                7.5 +/-    1.11       9.1 +/-    1.11  0.110 / 0.360
G23     322.3          52.2                6.6 +/-    1.13       8.1 +/-    1.13  0.110 / 0.340
G26     64.6           49.5                3.3 +/-    0.50       4.2 +/-    0.50  0.030 / 0.040
G31     54.3           16.2                3.0 +/-    2.23       7.3 +/-    2.23  0.030 / 0.040