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                9.4 +/-    0.73      13.4 +/-    0.73  0.060 / 0.070
G03     315.7          28.2                5.5 +/-    0.95      10.0 +/-    0.95  0.050 / 0.060
G10     129.4          16.7               10.4 +/-    2.17      24.7 +/-    2.17  0.050 / 0.090
G11     249.4          20.0               10.0 +/-    1.30      21.9 +/-    1.30  0.050 / 0.100
G14     43.1           50.1                6.6 +/-    0.38       8.3 +/-    0.38  0.040 / 0.070
G18     231.5          38.9               10.7 +/-    1.96      15.9 +/-    1.96  0.040 / 0.070
G22     314.1          50.4                7.2 +/-    0.88       9.1 +/-    0.88  0.090 / 0.220
G25     49.0           14.2                5.3 +/-    1.91      13.5 +/-    1.91  0.090 / 0.240
G31     59.9           76.4                9.0 +/-    0.74       9.3 +/-    0.74  0.070 / 0.200
G32     63.6           32.8                6.9 +/-    0.87      11.5 +/-    0.87  0.070 / 0.170