PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/04-19:13:00
G03     228.7          66.9                8.1 +/-    0.64       8.7 +/-    0.64  0.040 / 0.040
G07     249.9          11.6                2.6 +/-   19.99       7.1 +/-   19.99  0.050 / 0.030
G09     304.7          20.1                6.0 +/-    1.98      13.1 +/-    1.98  0.030 / 0.040
G14     101.6          12.1                9.7 +/-    1.83      25.8 +/-    1.83  0.040 / 0.050
G16     129.3          59.5               10.2 +/-    0.39      11.6 +/-    0.39  0.130 / 0.270
G22     192.5          52.1                9.8 +/-    0.83      12.1 +/-    0.83  0.170 / 0.250
G23     319.6          49.3                8.5 +/-    0.66      10.8 +/-    0.66  0.140 / 0.290
G26     72.1           54.4                8.6 +/-    0.53      10.3 +/-    0.53  0.120 / 0.270
G31     52.3           21.5                6.9 +/-    2.45      14.6 +/-    2.45  0.110 / 0.180