PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-03:58:10
G08     266.6          18.6                9.6 +/-    2.07      21.9 +/-    2.07  0.030 / 0.020
G10     57.5           59.6                7.0 +/-    1.17       8.0 +/-    1.17  0.030 / 0.020
G11     310.7          18.5                7.4 +/-    1.95      16.9 +/-    1.95  0.030 / 0.030
G14     267.3          67.1                6.6 +/-    1.05       7.0 +/-    1.05  0.030 / 0.020
G18     89.9           38.3                7.0 +/-    1.14      10.4 +/-    1.14  0.170 / 0.320
G21     154.0          16.3                5.4 +/-    3.28      13.0 +/-    3.28  0.120 / 0.310
G24     40.7           12.3                5.1 +/-    1.85      13.6 +/-    1.85  0.120 / 0.150
G27     231.2          16.2                9.2 +/-    2.69      22.3 +/-    2.69  0.090 / 0.120
G31     178.8          28.9                7.8 +/-    2.01      14.0 +/-    2.01  0.170 / 0.220
G32     329.7          74.6                6.9 +/-    0.70       7.1 +/-    0.70  0.110 / 0.220