PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-17:43:10
G08     296.9          22.9               10.3 +/-    0.63      21.2 +/-    0.63  0.120 / 0.100
G10     4.4            62.6               10.4 +/-    0.99      11.5 +/-    0.99  0.090 / 0.090
G14     225.9          38.1               11.5 +/-    1.31      17.2 +/-    1.31  0.090 / 0.150
G20     63.8           51.8               10.6 +/-    1.43      13.1 +/-    1.43  0.080 / 0.120
G21     144.9          43.6               12.3 +/-    1.00      16.8 +/-    1.00  0.080 / 0.140
G24     60.7           27.8                8.9 +/-    3.22      16.2 +/-    3.22  0.090 / 0.120
G27     258.0          33.9               11.0 +/-    1.66      17.8 +/-    1.66  0.050 / 0.070
G32     239.4          66.7               10.5 +/-    0.50      11.4 +/-    0.50  0.050 / 0.070