PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-17:12:40
G08     311.7          18.2                8.8 +/-    1.57      20.2 +/-    1.57  0.090 / 0.080
G10     331.2          60.1                6.4 +/-    0.99       7.2 +/-    0.99  0.060 / 0.070
G14     216.7          23.6               13.3 +/-    2.78      26.9 +/-    2.78  0.130 / 0.340
G15     46.6           9.7                 7.3 +/-    2.91      20.5 +/-    2.91  0.150 / 0.380
G20     38.3           59.6               11.1 +/-    1.60      12.7 +/-    1.60  0.150 / 0.200
G21     131.8          59.1               12.7 +/-    1.20      14.6 +/-    1.20  0.180 / 0.190
G24     78.5           30.7                9.5 +/-    1.43      16.4 +/-    1.43  0.040 / 0.050
G27     278.1          38.2               10.7 +/-    0.91      16.0 +/-    0.91  0.040 / 0.050
G32     220.3          51.6               11.7 +/-    1.78      14.5 +/-    1.78  0.030 / 0.020