PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-22:43:10
G10     269.1          40.6                8.4 +/-    1.73      12.2 +/-    1.73  0.100 / 0.200
G13     40.8           16.1                7.8 +/-    2.10      18.9 +/-    2.10  0.130 / 0.240
G15     57.6           47.8                8.5 +/-    1.16      11.0 +/-    1.16  0.040 / 0.040
G16     277.8          12.0                8.7 +/-    1.71      23.1 +/-    1.71  0.040 / 0.050
G20     300.9          60.8                6.9 +/-    0.75       7.8 +/-    0.75  0.210 / 0.270
G21     4.6            72.1                9.1 +/-    0.69       9.5 +/-    0.69  0.150 / 0.310
G24     120.3          15.0                9.5 +/-    1.90      23.6 +/-    1.90  0.030 / 0.050
G27     318.4          19.5                7.1 +/-    2.02      15.9 +/-    2.02  0.030 / 0.050
G29     167.2          29.7                9.6 +/-    2.38      16.9 +/-    2.38  0.200 / 0.520