PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-15:28:10
G03     239.7          70.7               10.7 +/-    0.62      11.2 +/-    0.62  0.110 / 0.220
G09     300.3          14.1                6.3 +/-    2.81      15.9 +/-    2.81  0.110 / 0.310
G14     96.1           16.5                8.9 +/-    1.64      21.4 +/-    1.64  0.040 / 0.030
G16     142.2          53.0               11.6 +/-    0.53      14.1 +/-    0.53  0.040 / 0.040
G22     192.8          57.2               11.0 +/-    0.44      12.8 +/-    0.44  0.090 / 0.250
G23     315.3          45.0                9.3 +/-    0.67      12.5 +/-    0.67  0.100 / 0.240
G26     82.2           55.6                9.1 +/-    0.57      10.7 +/-    0.57  0.040 / 0.050
G31     49.7           24.5                7.4 +/-    1.74      14.5 +/-    1.74  0.040 / 0.050