PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-16:57:50
G10     294.4          51.7                9.3 +/-    1.03      11.5 +/-    1.03  0.060 / 0.110
G15     46.3           28.6                5.5 +/-    0.79       9.9 +/-    0.79  0.060 / 0.120
G20     351.2          65.4                7.5 +/-    1.26       8.2 +/-    1.26  0.040 / 0.050
G21     84.0           75.6               10.7 +/-    0.48      11.0 +/-    0.48  0.040 / 0.040
G24     103.1          25.3               10.1 +/-    1.03      19.5 +/-    1.03  0.040 / 0.040
G27     304.2          32.9                7.7 +/-    1.62      12.6 +/-    1.62  0.050 / 0.050
G29     168.2          11.6               10.5 +/-    2.51      28.4 +/-    2.51  0.130 / 0.220
G32     208.4          30.0               12.6 +/-    3.12      22.1 +/-    3.12  0.140 / 0.250