PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-19:42:30
G07     21.9           67.6               11.4 +/-    0.56      12.2 +/-    0.56  0.030 / 0.040
G08     66.3           48.6               11.2 +/-    0.69      14.4 +/-    0.69  0.040 / 0.040
G09     181.2          54.4               13.0 +/-    0.74      15.6 +/-    0.74  0.120 / 0.240
G11     131.4          26.2               11.3 +/-    2.62      21.6 +/-    2.62  0.220 / 0.160
G23     160.1          23.8               12.9 +/-    0.96      26.0 +/-    0.96  0.080 / 0.110
G27     42.9           21.5                9.0 +/-    2.06      19.1 +/-    2.06  0.080 / 0.120
G28     252.3          39.6               13.7 +/-    1.57      20.0 +/-    1.57  0.050 / 0.040
G30     317.6          48.7               10.7 +/-    0.91      13.8 +/-    0.91  0.050 / 0.030