PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/24-03:57:50
G08     295.9          23.2                8.0 +/-    1.94      16.2 +/-    1.94  0.040 / 0.030
G10     355.8          62.6                4.5 +/-    1.00       5.0 +/-    1.00  0.040 / 0.020
G14     226.8          44.5                8.6 +/-    2.92      11.7 +/-    2.92  0.040 / 0.060
G18     55.5           54.8                4.2 +/-    0.48       5.0 +/-    0.48  0.040 / 0.060
G21     143.7          44.7                7.8 +/-    1.54      10.6 +/-    1.54  0.050 / 0.130
G24     61.4           28.2                5.4 +/-    1.73       9.7 +/-    1.73  0.060 / 0.150
G27     257.2          33.4                7.4 +/-    2.20      12.1 +/-    2.20  0.030 / 0.030
G32     238.5          63.5                7.7 +/-    1.27       8.4 +/-    1.27  0.050 / 0.030