PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/19-01:42:40
G01     297.3          38.5                6.7 +/-    0.97      10.1 +/-    0.97  0.080 / 0.110
G03     309.8          11.9                4.4 +/-   13.50      11.9 +/-   13.50  0.060 / 0.090
G10     115.5          32.3                8.6 +/-    0.36      14.3 +/-    0.36  0.090 / 0.110
G11     269.6          27.2                6.1 +/-    1.75      11.3 +/-    1.75  0.080 / 0.120
G14     14.6           62.2                6.4 +/-    0.60       7.1 +/-    0.60  0.040 / 0.050
G18     259.1          49.4                7.6 +/-    0.91       9.7 +/-    0.91  0.040 / 0.050
G22     312.7          33.2                5.9 +/-    1.66       9.7 +/-    1.66  0.050 / 0.130
G25     70.0           17.8                4.7 +/-    0.72      10.9 +/-    0.72  0.060 / 0.160
G31     147.2          75.3                9.0 +/-    0.92       9.3 +/-    0.92  0.090 / 0.160
G32     47.0           44.6                5.9 +/-    0.69       8.1 +/-    0.69  0.090 / 0.210