PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/22-00:12:30
G08     297.3          21.3                7.3 +/-    1.46      15.6 +/-    1.46  0.040 / 0.080
G10     11.9           62.7                7.4 +/-    1.36       8.2 +/-    1.36  0.040 / 0.080
G14     229.2          45.1               11.8 +/-    2.06      15.8 +/-    2.06  0.070 / 0.120
G18     317.9          10.5              -11.7 +/-    5.45     -32.2 +/-    5.45  0.090 / 0.100
G20     66.3           51.8                8.3 +/-    0.88      10.2 +/-    0.88  0.150 / 0.310
G21     147.1          41.1                9.0 +/-    1.09      12.8 +/-    1.09  0.030 / 0.030
G24     56.6           26.0                7.8 +/-    1.78      14.9 +/-    1.78  0.040 / 0.030
G27     254.4          32.0                9.9 +/-    2.70      16.7 +/-    2.70  0.100 / 0.210
G32     245.5          67.9                8.8 +/-    0.65       9.4 +/-    0.65  0.100 / 0.200