PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-03:27:30
G01     227.1          19.6                6.8 +/-    1.00      15.1 +/-    1.00  0.040 / 0.040
G03     297.4          64.8                2.9 +/-    1.43       3.1 +/-    1.43  0.040 / 0.040
G14     81.6           28.5                4.0 +/-    0.89       7.2 +/-    0.89  0.070 / 0.190
G16     147.7          41.4                8.3 +/-    1.02      11.7 +/-    1.02  0.070 / 0.170
G22     233.3          73.0                4.9 +/-    0.84       5.1 +/-    0.84  0.110 / 0.240
G23     305.6          36.6                4.6 +/-    1.10       7.2 +/-    1.10  0.130 / 0.250
G26     103.6          53.1                8.2 +/-    0.46      10.0 +/-    0.46  0.060 / 0.100
G31     44.6           33.9                2.7 +/-    0.56       4.3 +/-    0.56  0.040 / 0.080