PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-18:12:50
G01     314.6          27.7                6.1 +/-    2.24      11.2 +/-    2.24  0.120 / 0.420
G10     92.9           45.8                8.1 +/-    0.37      10.8 +/-    0.37  0.120 / 0.390
G11     298.5          23.3                7.1 +/-    1.65      14.4 +/-    1.65  0.070 / 0.180
G14     310.9          70.1                9.3 +/-    0.66       9.8 +/-    0.66  0.070 / 0.150
G20     113.5          19.6                8.9 +/-    1.24      19.8 +/-    1.24  0.040 / 0.060
G22     305.2          15.7                4.4 +/-    1.52      10.8 +/-    1.52  0.050 / 0.050
G25     93.6           11.7                9.8 +/-    2.72      26.4 +/-    2.72  0.110 / 0.390
G31     173.8          50.9               11.6 +/-    0.95      14.5 +/-    0.95  0.110 / 0.410
G32     24.5           60.0                8.5 +/-    0.61       9.7 +/-    0.61  0.040 / 0.060