PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-05:58:00
G07     355.9          64.9                3.6 +/-    0.66       4.0 +/-    0.66  0.050 / 0.080
G08     80.7           52.7                5.8 +/-    0.32       7.1 +/-    0.32  0.050 / 0.090
G09     179.4          59.5                6.7 +/-    1.28       7.6 +/-    1.28  0.050 / 0.120
G11     139.7          21.3                6.3 +/-    1.26      13.4 +/-    1.26  0.050 / 0.140
G23     158.4          29.0                6.1 +/-    1.32      10.9 +/-    1.32  0.040 / 0.050
G27     46.0           24.7                3.1 +/-    2.30       6.0 +/-    2.30  0.030 / 0.040
G28     244.2          31.4                5.4 +/-    1.33       9.2 +/-    1.33  0.080 / 0.180
G30     309.8          41.3                2.5 +/-    1.72       3.6 +/-    1.72  0.080 / 0.190