PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/31-04:43:00
G08     320.8          10.9               -7.4 +/-   31.01     -20.3 +/-   31.01  0.070 / 0.070
G10     308.6          55.6                4.5 +/-    0.80       5.4 +/-    0.80  0.060 / 0.070
G14     211.6          17.6                6.6 +/-    2.10      15.5 +/-    2.10  0.030 / 0.040
G15     45.5           21.4                3.0 +/-    0.98       6.3 +/-    0.98  0.030 / 0.040
G20     7.4            64.5                4.6 +/-    0.55       5.0 +/-    0.55  0.080 / 0.310
G21     113.2          69.4               -4.0 +/-    0.67      -4.2 +/-    0.67  0.150 / 0.410
G24     90.5           28.5                4.4 +/-    1.14       8.0 +/-    1.14  0.040 / 0.030
G27     294.7          36.0                5.6 +/-    1.35       8.6 +/-    1.35  0.040 / 0.030
G32     213.6          35.1                8.7 +/-    1.78      13.8 +/-    1.78  0.060 / 0.150