PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/29-01:42:40
G08     290.1          23.5               10.3 +/-    1.40      20.9 +/-    1.40  0.040 / 0.040
G10     8.2            63.2                8.0 +/-    0.58       8.9 +/-    0.58  0.040 / 0.030
G14     231.7          49.5               12.7 +/-    0.66      16.2 +/-    0.66  0.060 / 0.110
G18     64.4           51.1                9.4 +/-    0.59      11.7 +/-    0.59  0.050 / 0.100
G21     146.6          38.2               12.5 +/-    1.06      18.8 +/-    1.06  0.060 / 0.100
G24     56.0           26.1                8.4 +/-    1.03      16.1 +/-    1.03  0.070 / 0.110
G27     251.1          30.6               13.4 +/-    1.54      23.2 +/-    1.54  0.100 / 0.140
G32     247.5          66.8               10.0 +/-    0.56      10.7 +/-    0.56  0.100 / 0.120