PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/25-01:58:10
G08     290.3          23.6                7.1 +/-    1.28      14.4 +/-    1.28  0.040 / 0.070
G10     7.8            63.2                7.6 +/-    0.95       8.4 +/-    0.95  0.060 / 0.090
G14     231.6          49.3               10.2 +/-    2.93      13.0 +/-    2.93  0.060 / 0.100
G18     64.0           51.3                8.0 +/-    0.63       9.9 +/-    0.63  0.110 / 0.130
G21     146.6          38.5                9.0 +/-    0.83      13.4 +/-    0.83  0.040 / 0.020
G24     56.2           26.1                7.6 +/-    1.76      14.4 +/-    1.76  0.040 / 0.020
G27     251.3          30.7                8.7 +/-    2.47      15.0 +/-    2.47  0.110 / 0.110
G32     247.3          66.8                8.0 +/-    0.69       8.7 +/-    0.69  0.100 / 0.100