PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-04:12:30
G10     307.6          55.3                6.4 +/-    1.28       7.6 +/-    1.28  0.090 / 0.060
G14     211.4          16.9                9.6 +/-    1.37      22.8 +/-    1.37  0.060 / 0.060
G15     45.5           22.0                4.4 +/-    2.56       9.2 +/-    2.56  0.050 / 0.050
G20     5.9            64.6                7.2 +/-    0.66       7.9 +/-    0.66  0.060 / 0.050
G21     111.7          70.1                8.7 +/-    0.86       9.2 +/-    0.86  0.040 / 0.040
G24     91.3           28.3                5.9 +/-    1.17      10.7 +/-    1.17  0.040 / 0.040
G27     295.3          35.9                9.1 +/-    3.02      14.1 +/-    3.02  0.150 / 0.290
G32     213.3          34.8               11.1 +/-    2.01      17.7 +/-    2.01  0.140 / 0.280