PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-00:42:50
G07     322.6          54.3                5.2 +/-    0.48       6.2 +/-    0.48  0.100 / 0.180
G08     108.3          48.9                7.7 +/-    0.45       9.8 +/-    0.45  0.080 / 0.170
G09     183.2          77.2                5.8 +/-    0.32       5.9 +/-    0.32  0.040 / 0.040
G16     45.0           11.0                2.6 +/-    2.09       7.0 +/-    2.09  0.050 / 0.050
G23     153.1          50.2              -12.9 +/-    0.67     -16.2 +/-    0.67  0.200 / 0.380
G27     62.7           34.5                5.9 +/-    0.94       9.4 +/-    0.94  0.260 / 0.480
G28     230.3          15.3                4.6 +/-    2.27      11.4 +/-    2.27  0.320 / 0.570
G30     294.3          27.1                5.4 +/-    1.62      10.0 +/-    1.62  0.160 / 0.410