PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-23:58:10
G08     317.4          13.4                7.0 +/-    2.77      18.0 +/-    2.77  0.120 / 0.330
G10     324.1          58.9                8.7 +/-    0.68      10.0 +/-    0.68  0.160 / 0.360
G14     214.9          24.0               12.6 +/-    2.23      25.2 +/-    2.23  0.040 / 0.040
G15     46.1           15.3                6.3 +/-    3.63      15.6 +/-    3.63  0.040 / 0.040
G20     26.4           62.3               11.7 +/-    1.18      13.0 +/-    1.18  0.210 / 0.290
G21     127.4          63.4               11.2 +/-    0.78      12.3 +/-    0.78  0.130 / 0.270
G24     81.8           30.3                9.8 +/-    0.91      17.1 +/-    0.91  0.090 / 0.230
G27     283.2          37.9               11.3 +/-    0.92      17.1 +/-    0.92  0.130 / 0.210
G32     218.1          46.1               10.5 +/-    1.05      14.0 +/-    1.05  0.060 / 0.070