PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-16:57:40
G03     224.4          66.5               10.6 +/-    1.04      11.5 +/-    1.04  0.120 / 0.530
G07     250.2          12.6               11.8 +/-    2.80      31.0 +/-    2.80  0.150 / 0.540
G09     304.4          19.3                8.5 +/-    1.10      19.0 +/-    1.10  0.040 / 0.040
G14     101.6          12.1               11.2 +/-    2.62      29.8 +/-    2.62  0.060 / 0.040
G16     133.2          59.0               10.4 +/-    0.67      11.9 +/-    0.67  0.050 / 0.070
G22     190.4          50.8               11.6 +/-    2.40      14.5 +/-    2.40  0.040 / 0.070
G23     320.1          49.9                8.5 +/-    0.98      10.7 +/-    0.98  0.060 / 0.070
G26     71.2           53.9                8.9 +/-    0.28      10.7 +/-    0.28  0.060 / 0.070
G31     52.8           19.9                6.5 +/-    1.79      14.3 +/-    1.79  0.110 / 0.480