PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-20:13:10
G08     306.3          20.1               10.4 +/-    1.30      22.8 +/-    1.30  0.070 / 0.080
G10     346.7          61.8               11.8 +/-    0.60      13.2 +/-    0.60  0.090 / 0.100
G14     220.7          32.4               13.0 +/-    1.71      21.6 +/-    1.71  0.130 / 0.160
G20     50.1           56.8               12.7 +/-    0.78      14.8 +/-    0.78  0.120 / 0.190
G21     139.3          52.5               14.9 +/-    0.80      18.2 +/-    0.80  0.040 / 0.060
G24     69.5           30.1               13.2 +/-    1.06      23.0 +/-    1.06  0.040 / 0.060
G27     268.1          36.8               13.1 +/-    1.88      20.1 +/-    1.88  0.110 / 0.240
G32     227.8          58.6               14.1 +/-    1.71      16.2 +/-    1.71  0.140 / 0.240