PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-21:43:00
G08     313.9          16.1                9.6 +/-    1.30      23.3 +/-    1.30  0.040 / 0.050
G10     330.6          60.0                8.8 +/-    0.49      10.0 +/-    0.49  0.030 / 0.050
G14     216.5          26.0               13.3 +/-    2.23      25.3 +/-    2.23  0.140 / 0.280
G15     46.5           12.6                6.7 +/-    3.27      17.6 +/-    3.27  0.090 / 0.280
G20     34.9           60.7               11.4 +/-    0.63      12.9 +/-    0.63  0.220 / 0.190
G21     131.6          60.3               11.9 +/-    1.01      13.5 +/-    1.01  0.090 / 0.160
G24     78.4           30.6               10.7 +/-    1.09      18.4 +/-    1.09  0.140 / 0.250
G27     278.6          38.0               11.1 +/-    3.08      16.6 +/-    3.08  0.250 / 0.300
G32     220.4          50.3               13.0 +/-    1.59      16.4 +/-    1.59  0.030 / 0.030