PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-21:28:00
G08     274.1          20.1                9.2 +/-    2.73      20.2 +/-    2.73  0.540 / 0.350
G10     53.9           58.8               11.1 +/-    0.87      12.7 +/-    0.87  0.250 / 0.450
G11     316.3          11.9                7.4 +/-   14.76      19.7 +/-   14.76  0.130 / 0.230
G14     252.2          59.8               11.4 +/-    1.03      13.0 +/-    1.03  0.160 / 0.300
G20     91.3           38.4               11.6 +/-    1.11      17.3 +/-    1.11  0.470 / 0.250
G21     154.3          21.1               11.9 +/-    1.84      25.5 +/-    1.84  0.370 / 0.230
G24     42.8           14.7                8.2 +/-    3.63      20.6 +/-    3.63  0.040 / 0.060
G27     235.7          19.8               12.0 +/-    4.54      26.6 +/-    4.54  0.040 / 0.060
G31     178.5          25.8               12.9 +/-    2.09      24.9 +/-    2.09  0.160 / 0.320
G32     322.3          76.3               11.6 +/-    0.69      11.9 +/-    0.69  0.130 / 0.250