PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-22:43:10
G10     263.1          37.1               15.8 +/-    1.99      24.1 +/-    1.99  0.110 / 0.240
G13     43.5           20.2                6.8 +/-    2.39      14.8 +/-    2.39  0.180 / 0.280
G15     63.9           51.7                6.2 +/-    1.17       7.7 +/-    1.17  0.050 / 0.040
G16     283.1          13.7                8.1 +/-    2.18      20.8 +/-    2.18  0.050 / 0.040
G20     290.4          58.3                9.8 +/-    1.24      11.3 +/-    1.24  0.240 / 0.190
G21     352.7          68.6                7.7 +/-    0.64       8.2 +/-    0.64  0.200 / 0.250
G24     124.8          11.8               10.5 +/-    3.09      28.2 +/-    3.09  0.030 / 0.050
G27     320.6          15.1                7.1 +/-    1.66      17.7 +/-    1.66  0.030 / 0.040
G29     166.4          35.4                9.6 +/-    0.83      15.1 +/-    0.83  0.140 / 0.660