PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/13-05:58:00
G03     191.1          20.9                6.2 +/-    0.89      13.3 +/-    0.89  0.050 / 0.080
G07     292.7          40.2                3.3 +/-    1.18       4.7 +/-    1.18  0.030 / 0.060
G08     143.5          27.6                5.5 +/-    1.13      10.2 +/-    1.13  0.040 / 0.080
G09     320.9          64.9                2.6 +/-    0.70       2.8 +/-    0.70  0.050 / 0.080
G16     43.0           36.2                2.5 +/-    1.07       3.9 +/-    1.07  0.030 / 0.040
G23     120.4          76.6              -21.7 +/-    0.48     -22.3 +/-    0.48  0.030 / 0.040
G27     98.9           33.8                6.8 +/-    0.78      11.1 +/-    0.78  0.030 / 0.040
G30     274.2          12.3                5.1 +/-    3.16      13.6 +/-    3.16  0.030 / 0.040