PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-04:43:00
G01     245.0          32.2                8.2 +/-    1.18      13.7 +/-    1.18  0.030 / 0.040
G03     314.6          46.5                5.9 +/-    1.58       7.7 +/-    1.58  0.040 / 0.040
G14     66.9           36.2                6.6 +/-    0.83      10.3 +/-    0.83  0.070 / 0.120
G16     162.7          21.8               10.1 +/-    1.41      21.2 +/-    1.41  0.100 / 0.120
G22     296.5          70.2                7.9 +/-    0.97       8.4 +/-    0.97  0.070 / 0.170
G23     289.9          21.2                7.6 +/-    1.80      16.2 +/-    1.80  0.080 / 0.170
G26     134.9          41.3               10.0 +/-    0.99      14.2 +/-    0.99  0.020 / 0.040
G31     39.5           55.2                5.8 +/-    0.59       6.9 +/-    0.59  0.030 / 0.040
G32     80.8           21.7                6.9 +/-    1.57      14.6 +/-    1.57  0.070 / 0.120