PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-22:27:50
G01     271.4          41.3                9.7 +/-    1.75      13.8 +/-    1.75  0.060 / 0.060
G03     315.7          28.2                5.4 +/-    1.60       9.8 +/-    1.60  0.060 / 0.070
G10     129.4          16.7               10.0 +/-    2.58      23.8 +/-    2.58  0.050 / 0.070
G11     249.4          20.0                9.0 +/-    2.64      19.8 +/-    2.64  0.060 / 0.060
G14     43.1           50.1                8.3 +/-    1.28      10.5 +/-    1.28  0.140 / 0.220
G18     231.5          38.9                9.8 +/-    1.49      14.6 +/-    1.49  0.130 / 0.160
G22     314.1          50.4                7.8 +/-    0.79       9.8 +/-    0.79  0.170 / 0.430
G25     49.0           14.2                6.2 +/-    3.46      15.6 +/-    3.46  0.190 / 0.460
G31     59.9           76.4                9.4 +/-    0.35       9.6 +/-    0.35  0.110 / 0.120
G32     63.6           32.8                7.4 +/-    1.14      12.3 +/-    1.14  0.060 / 0.080