PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-08:27:30
G01     78.8           32.3                6.2 +/-    0.67      10.4 +/-    0.67  0.040 / 0.040
G07     131.7          37.3                7.4 +/-    1.17      11.2 +/-    1.17  0.030 / 0.030
G11     61.3           38.3                5.4 +/-    0.86       8.0 +/-    0.86  0.030 / 0.050
G13     283.8          38.9                5.6 +/-    1.00       8.3 +/-    1.00  0.040 / 0.050
G15     309.0          13.3                2.4 +/-    1.06       6.2 +/-    1.06  0.050 / 0.110
G17     220.1          60.0                7.7 +/-    0.57       8.7 +/-    0.57  0.060 / 0.120
G19     217.5          36.5                6.1 +/-    0.67       9.4 +/-    0.67  0.040 / 0.080
G28     347.8          61.5                3.3 +/-    0.49       3.6 +/-    0.49  0.040 / 0.080
G30     123.3          72.3                7.7 +/-    0.32       8.1 +/-    0.32  0.050 / 0.080