PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-20:42:30
G07     13.8           67.0               13.5 +/-    0.98      14.5 +/-    0.98  0.040 / 0.040
G08     69.5           49.5               12.8 +/-    0.75      16.3 +/-    0.75  0.030 / 0.040
G09     181.4          56.9               16.0 +/-    1.05      18.7 +/-    1.05  0.060 / 0.160
G11     133.3          24.5               17.9 +/-    2.01      35.4 +/-    2.01  0.060 / 0.110
G23     159.9          26.7               15.2 +/-    0.86      28.5 +/-    0.86  0.040 / 0.030
G27     44.4           23.5                9.8 +/-    1.74      19.8 +/-    1.74  0.040 / 0.040
G28     249.9          38.1               16.0 +/-    1.72      24.1 +/-    1.72  0.100 / 0.120
G30     315.0          46.4               13.3 +/-    1.05      17.5 +/-    1.05  0.060 / 0.140