PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-18:42:50
G08     271.1          19.9               12.7 +/-    2.57      28.1 +/-    2.57  0.160 / 0.270
G10     56.5           58.2               12.5 +/-    0.74      14.4 +/-    0.74  0.240 / 0.300
G11     316.3          11.8               -3.3 +/-   19.68      -8.9 +/-   19.68  0.050 / 0.060
G14     252.9          59.1               11.0 +/-    1.26      12.6 +/-    1.26  0.070 / 0.070
G20     93.2           36.5                8.6 +/-    1.26      13.3 +/-    1.26  0.140 / 0.350
G21     154.4          19.0                8.7 +/-    1.90      19.6 +/-    1.90  0.190 / 0.420
G24     42.2           13.7                9.2 +/-    3.48      23.7 +/-    3.48  0.170 / 0.360
G27     234.5          19.0               12.6 +/-    4.93      28.3 +/-    4.93  0.140 / 0.330
G31     178.9          26.2               13.7 +/-    2.21      25.9 +/-    2.21  0.040 / 0.030
G32     330.7          75.9                9.9 +/-    1.25      10.2 +/-    1.25  0.030 / 0.030