PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-19:58:00
G01     307.1          34.9               12.5 +/-    1.57      19.9 +/-    1.57  0.160 / 0.120
G10     104.9          38.8               11.5 +/-    0.89      17.1 +/-    0.89  0.110 / 0.170
G11     286.8          25.8               13.5 +/-    1.78      26.0 +/-    1.78  0.060 / 0.030
G14     339.1          68.7               10.6 +/-    0.79      11.3 +/-    0.79  0.060 / 0.040
G20     120.4          12.4               10.3 +/-    3.67      27.3 +/-    3.67  0.070 / 0.170
G22     309.4          23.4               10.9 +/-    1.49      22.2 +/-    1.49  0.080 / 0.190
G25     84.0           15.7               12.0 +/-    1.11      29.5 +/-    1.11  0.050 / 0.070
G31     167.0          63.3               12.4 +/-    0.84      13.7 +/-    0.84  0.060 / 0.070
G32     36.3           52.3               11.9 +/-    1.67      14.6 +/-    1.67  0.040 / 0.030