PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-21:12:40
G03     316.3          30.9               10.4 +/-    0.99      17.9 +/-    0.99  0.080 / 0.310
G10     131.2          12.3               11.4 +/-    4.37      30.3 +/-    4.37  0.080 / 0.280
G11     251.2          17.5               11.6 +/-    3.48      27.1 +/-    3.48  0.040 / 0.050
G14     41.0           52.1                9.9 +/-    0.78      12.1 +/-    0.78  0.040 / 0.060
G22     313.4          53.3                7.8 +/-    2.32       9.4 +/-    2.32  0.050 / 0.060
G25     50.1           15.4                9.2 +/-    1.36      22.6 +/-    1.36  0.040 / 0.060
G26     146.0          27.9               14.5 +/-    5.13      26.6 +/-    5.13  0.080 / 0.080
G31     51.1           70.7               10.9 +/-    1.27      11.5 +/-    1.27  0.120 / 0.090
G32     67.3           29.1                8.3 +/-    1.47      14.8 +/-    1.47  0.110 / 0.150