PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-20:57:50
G08     310.4          18.2               11.8 +/-    1.51      27.1 +/-    1.51  0.060 / 0.080
G10     338.0          60.9               11.7 +/-    0.67      13.1 +/-    0.67  0.060 / 0.070
G14     218.4          29.0               18.4 +/-    1.43      32.9 +/-    1.43  0.030 / 0.050
G20     42.4           58.9               12.4 +/-    0.84      14.2 +/-    0.84  0.040 / 0.060
G21     135.6          56.7               15.0 +/-    1.14      17.6 +/-    1.14  0.080 / 0.250
G24     74.1           30.6               11.8 +/-    0.56      20.4 +/-    0.56  0.090 / 0.260
G27     273.6          37.6               14.1 +/-    1.00      21.4 +/-    1.00  0.050 / 0.090
G32     223.6          54.2               14.5 +/-    1.52      17.4 +/-    1.52  0.060 / 0.090