PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-21:12:40
G08     315.6          15.1                7.3 +/-    3.27      18.0 +/-    3.27  0.050 / 0.040
G10     325.9          59.3                9.9 +/-    1.00      11.4 +/-    1.00  0.040 / 0.040
G14     215.4          23.5               17.2 +/-    1.93      34.7 +/-    1.93  0.230 / 0.370
G15     46.2           14.4                7.3 +/-    1.90      18.4 +/-    1.90  0.120 / 0.340
G20     30.4           61.5               10.2 +/-    1.18      11.5 +/-    1.18  0.260 / 0.210
G21     128.5          62.6               12.8 +/-    0.54      14.2 +/-    0.54  0.230 / 0.200
G24     81.4           30.5                9.9 +/-    1.03      17.1 +/-    1.03  0.220 / 0.400
G27     281.8          38.1               12.8 +/-    0.42      19.3 +/-    0.42  0.270 / 0.330
G32     218.5          48.0               13.7 +/-    1.03      17.7 +/-    1.03  0.060 / 0.080