PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-05:12:30
G07     353.8          64.0                5.9 +/-    1.18       6.4 +/-    1.18  0.040 / 0.090
G08     78.2           51.5                5.4 +/-    1.04       6.6 +/-    1.04  0.040 / 0.110
G09     182.3          61.5                8.9 +/-    0.55      10.0 +/-    0.55  0.030 / 0.030
G11     137.9          19.8                8.0 +/-    1.42      17.6 +/-    1.42  0.020 / 0.030
G23     158.9          31.5                7.0 +/-    1.07      11.9 +/-    1.07  0.040 / 0.040
G27     45.6           24.0                4.0 +/-    2.12       7.9 +/-    2.12  0.030 / 0.030
G28     247.7          38.7                8.7 +/-    1.20      12.9 +/-    1.20  0.030 / 0.030
G30     311.4          43.0                4.7 +/-    1.06       6.6 +/-    1.06  0.040 / 0.020