PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/01-04:28:10
G08     266.0          18.4                9.0 +/-    5.37      20.7 +/-    5.37  0.040 / 0.030
G10     58.7           59.4                5.6 +/-    1.39       6.4 +/-    1.39  0.040 / 0.020
G11     310.2          19.0                6.8 +/-    3.51      15.3 +/-    3.51  0.140 / 0.330
G14     268.8          67.5                3.4 +/-    1.72       3.6 +/-    1.72  0.120 / 0.390
G18     90.3           38.1                4.3 +/-    1.06       6.5 +/-    1.06  0.030 / 0.020
G21     154.1          15.8                4.5 +/-    4.10      11.1 +/-    4.10  0.030 / 0.020
G24     40.5           11.8                3.3 +/-    2.28       8.8 +/-    2.28  0.090 / 0.110
G27     230.8          15.7                8.4 +/-    2.51      20.5 +/-    2.51  0.240 / 0.220
G31     178.4          29.8                7.6 +/-    1.61      13.3 +/-    1.61  0.050 / 0.060
G32     333.1          74.4                5.9 +/-    0.50       6.1 +/-    0.50  0.040 / 0.050