PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-01:12:40
G01     226.7          19.5                8.0 +/-    2.17      17.9 +/-    2.17  0.040 / 0.030
G03     297.9          64.4                4.7 +/-    1.12       5.2 +/-    1.12  0.040 / 0.040
G14     81.0           29.5                5.3 +/-    1.82       9.4 +/-    1.82  0.080 / 0.140
G16     147.1          41.6                6.5 +/-    0.67       9.3 +/-    0.67  0.090 / 0.150
G22     234.1          73.0                5.4 +/-    1.26       5.7 +/-    1.26  0.240 / 0.390
G23     305.0          35.5                5.1 +/-    1.45       8.1 +/-    1.45  0.120 / 0.240
G26     103.6          53.1                5.3 +/-    1.12       6.4 +/-    1.12  0.050 / 0.040
G31     44.5           34.3                3.4 +/-    1.19       5.5 +/-    1.19  0.040 / 0.040