PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-01:27:50
G01     294.4          40.6                6.9 +/-    1.23      10.0 +/-    1.23  0.050 / 0.090
G03     310.3          13.2                6.6 +/-    2.35      17.2 +/-    2.35  0.050 / 0.100
G10     116.4          30.0                7.8 +/-    0.90      13.6 +/-    0.90  0.080 / 0.120
G11     270.9          25.8                9.5 +/-    0.80      18.2 +/-    0.80  0.060 / 0.110
G14     13.6           62.5                6.3 +/-    0.80       7.0 +/-    0.80  0.040 / 0.050
G18     257.7          49.1                7.9 +/-    1.04      10.1 +/-    1.04  0.040 / 0.070
G22     313.1          33.5                5.6 +/-    2.02       9.2 +/-    2.02  0.060 / 0.060
G25     72.2           18.5                5.8 +/-    1.30      13.2 +/-    1.30  0.040 / 0.070
G31     138.5          76.2                9.3 +/-    0.72       9.6 +/-    0.72  0.070 / 0.150
G32     47.2           44.6                6.1 +/-    0.26       8.3 +/-    0.26  0.060 / 0.130