PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/06-08:43:10
G01     74.4           32.3                5.1 +/-    0.80       8.5 +/-    0.80  0.040 / 0.030
G07     134.2          34.0                8.5 +/-    1.84      13.7 +/-    1.84  0.040 / 0.030
G11     57.9           36.0                4.6 +/-    1.26       7.2 +/-    1.26  0.040 / 0.080
G13     279.0          39.0                5.1 +/-    1.70       7.6 +/-    1.70  0.050 / 0.070
G15     306.1          14.3                1.7 +/-    2.16       4.3 +/-    2.16  0.090 / 0.110
G17     224.2          63.4                9.7 +/-    1.17      10.7 +/-    1.17  0.080 / 0.100
G18     52.1           20.1                2.9 +/-    1.50       6.4 +/-    1.50  0.090 / 0.260
G19     219.8          39.9                7.6 +/-    1.50      11.1 +/-    1.50  0.090 / 0.260
G28     355.1          61.5                5.9 +/-    1.03       6.7 +/-    1.03  0.260 / 0.280
G30     129.9          68.9                7.4 +/-    0.76       7.9 +/-    0.76  0.080 / 0.090