PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/13-01:43:00
G01     308.4          32.4                5.9 +/-    1.50       9.8 +/-    1.50  0.130 / 0.190
G10     104.7          40.6                8.9 +/-    0.31      12.8 +/-    0.31  0.090 / 0.190
G11     282.3          28.3                8.4 +/-    1.11      15.3 +/-    1.11  0.070 / 0.190
G14     351.5          67.8                7.3 +/-    0.41       7.9 +/-    0.41  0.080 / 0.160
G18     278.2          50.1                9.2 +/-    1.25      11.6 +/-    1.25  0.040 / 0.050
G20     119.6          15.2                5.9 +/-    1.28      14.7 +/-    1.28  0.040 / 0.050
G22     309.2          24.2                6.3 +/-    2.08      12.5 +/-    2.08  0.080 / 0.120
G25     81.6           15.7                4.6 +/-    1.31      11.2 +/-    1.31  0.090 / 0.140
G31     166.2          64.1               10.3 +/-    1.08      11.3 +/-    1.08  0.050 / 0.050
G32     36.0           52.5                6.7 +/-    0.39       8.2 +/-    0.39  0.060 / 0.050