PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-18:43:00
G01     307.5          34.8                6.6 +/-    2.26      10.5 +/-    2.26  0.110 / 0.140
G10     104.3          39.1               10.4 +/-    0.49      15.3 +/-    0.49  0.120 / 0.140
G11     288.1          25.4               10.3 +/-    1.82      19.9 +/-    1.82  0.060 / 0.160
G14     339.7          68.8                8.8 +/-    0.80       9.4 +/-    0.80  0.060 / 0.170
G20     120.2          12.4               11.8 +/-    2.70      31.2 +/-    2.70  0.080 / 0.110
G22     309.3          23.2                7.2 +/-    0.95      14.7 +/-    0.95  0.070 / 0.100
G25     84.2           15.4               10.2 +/-    1.33      25.2 +/-    1.33  0.040 / 0.050
G31     168.5          62.1               10.9 +/-    0.90      12.1 +/-    0.90  0.040 / 0.060
G32     35.8           52.6                8.4 +/-    0.87      10.2 +/-    0.87  0.040 / 0.050