PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-03:43:00
G08     310.3          18.3                5.9 +/-    1.28      13.6 +/-    1.28  0.030 / 0.050
G10     336.9          60.8                4.6 +/-    0.81       5.2 +/-    0.81  0.040 / 0.050
G14     218.2          31.7                8.2 +/-    1.70      13.9 +/-    1.70  0.080 / 0.070
G20     39.4           60.0                5.3 +/-    1.15       6.0 +/-    1.15  0.060 / 0.080
G21     135.4          56.3                6.7 +/-    0.42       7.9 +/-    0.42  0.040 / 0.030
G24     72.9           29.9                4.2 +/-    0.88       7.4 +/-    0.88  0.030 / 0.030
G27     274.6          37.3                7.0 +/-    0.68      10.6 +/-    0.68  0.070 / 0.160
G32     223.6          51.1                8.3 +/-    2.02      10.3 +/-    2.02  0.070 / 0.220