PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-18:42:40
G10     271.6          42.1               11.3 +/-    1.34      16.0 +/-    1.34  0.170 / 0.220
G13     39.9           14.3                8.6 +/-    3.44      21.8 +/-    3.44  0.270 / 0.260
G15     55.0           45.2                9.6 +/-    1.33      13.0 +/-    1.33  0.040 / 0.040
G16     275.0          11.5                7.3 +/-   17.06      19.7 +/-   17.06  0.050 / 0.040
G20     308.2          62.6               11.0 +/-    0.95      12.3 +/-    0.95  0.140 / 0.310
G21     11.2           73.4               11.2 +/-    0.40      11.6 +/-    0.40  0.140 / 0.390
G24     119.3          16.1               11.6 +/-    2.24      28.2 +/-    2.24  0.330 / 0.550
G27     317.2          21.4               10.7 +/-    3.03      22.7 +/-    3.03  0.220 / 0.390
G29     167.8          28.4               11.7 +/-    1.01      21.3 +/-    1.01  0.120 / 0.230
G32     204.2          13.0               12.8 +/-    3.71      33.4 +/-    3.71  0.130 / 0.240