PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/28-00:57:50
G08     311.5          18.3                9.5 +/-    1.47      21.9 +/-    1.47  0.030 / 0.050
G10     322.8          58.2               10.5 +/-    0.84      12.1 +/-    0.84  0.040 / 0.040
G14     216.1          28.8               16.0 +/-    1.76      28.8 +/-    1.76  0.070 / 0.120
G15     46.1           15.2                7.6 +/-    0.97      18.9 +/-    0.97  0.060 / 0.090
G18     30.3           61.5                9.6 +/-    0.72      10.8 +/-    0.72  0.030 / 0.040
G21     129.5          60.1               13.9 +/-    0.59      15.7 +/-    0.59  0.030 / 0.050
G24     80.3           30.5               10.8 +/-    0.61      18.8 +/-    0.61  0.090 / 0.210
G27     278.1          38.1               12.0 +/-    1.87      18.0 +/-    1.87  0.090 / 0.180
G32     220.4          46.4               14.1 +/-    1.49      18.6 +/-    1.49  0.050 / 0.070