PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-16:27:50
G01     220.1          11.4               10.0 +/-    2.27      27.1 +/-    2.27  0.170 / 0.290
G03     252.6          71.5                9.4 +/-    0.97       9.9 +/-    0.97  0.230 / 0.430
G09     298.6          12.3                5.8 +/-   19.92      15.3 +/-   19.92  0.040 / 0.030
G14     93.8           18.3                8.7 +/-    2.28      20.0 +/-    2.28  0.050 / 0.030
G16     146.2          50.0               11.6 +/-    1.07      14.6 +/-    1.07  0.370 / 0.430
G22     196.7          61.0               10.5 +/-    0.81      11.8 +/-    0.81  0.360 / 0.310
G23     312.8          42.4                9.2 +/-    1.05      12.9 +/-    1.05  0.130 / 0.240
G26     89.2           56.4               10.0 +/-    0.94      11.7 +/-    0.94  0.120 / 0.270
G31     48.1           27.5                6.1 +/-    2.05      11.2 +/-    2.05  0.040 / 0.050