PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/05-18:58:10
G01     307.6          34.6                7.8 +/-    1.05      12.5 +/-    1.05  0.140 / 0.120
G10     104.1          39.3                8.7 +/-    0.76      12.8 +/-    0.76  0.120 / 0.170
G11     288.1          25.5                8.1 +/-    0.95      15.6 +/-    0.95  0.040 / 0.040
G14     338.8          68.9                8.0 +/-    0.42       8.5 +/-    0.42  0.040 / 0.050
G20     120.0          12.6                9.8 +/-    2.94      25.7 +/-    2.94  0.080 / 0.220
G22     309.2          23.0                8.5 +/-    1.37      17.5 +/-    1.37  0.110 / 0.210
G25     84.5           15.4                9.7 +/-    2.56      23.8 +/-    2.56  0.050 / 0.080
G31     168.4          62.1               10.5 +/-    0.79      11.7 +/-    0.79  0.050 / 0.060
G32     35.6           52.7                8.8 +/-    1.26      10.7 +/-    1.26  0.040 / 0.040