PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/30-11:27:40
G02     343.1          79.5                4.2 +/-    0.54       4.3 +/-    0.54  0.060 / 0.080
G05     166.0          31.1                6.5 +/-    2.03      11.1 +/-    2.03  0.060 / 0.080
G06     39.9           46.6                2.1 +/-    0.98       2.8 +/-    0.98  0.140 / 0.180
G12     314.3          67.7                4.8 +/-    0.91       5.1 +/-    0.91  0.180 / 0.330
G17     85.5           11.3                3.8 +/-    1.95      10.3 +/-    1.95  0.030 / 0.030
G19     74.4           27.2                2.7 +/-    1.86       5.0 +/-    1.86  0.020 / 0.030
G24     231.2          24.4                5.7 +/-    2.76      11.2 +/-    2.76  0.150 / 0.120
G25     317.5          27.8                3.3 +/-    1.81       6.0 +/-    1.81  0.090 / 0.160
G29     286.7          11.5               -0.8 +/-   17.93      -2.2 +/-   17.93  0.040 / 0.050