PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-19:12:40
G01     318.4          20.9                8.7 +/-    3.42      18.7 +/-    3.42  0.040 / 0.050
G08     256.7          13.2               11.4 +/-    3.89      29.5 +/-    3.89  0.040 / 0.040
G10     82.0           50.8               11.0 +/-    1.25      13.7 +/-    1.25  0.190 / 0.410
G11     305.3          20.6                8.7 +/-    1.15      18.8 +/-    1.15  0.210 / 0.320
G14     285.4          67.9               11.7 +/-    1.14      12.5 +/-    1.14  0.050 / 0.060
G20     107.2          25.9               11.8 +/-    1.27      22.7 +/-    1.27  0.050 / 0.060
G31     175.6          42.5               13.8 +/-    0.78      19.3 +/-    0.78  0.040 / 0.040
G32     12.3           66.2               11.0 +/-    0.54      11.9 +/-    0.54  0.040 / 0.040