PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-10:42:40
G08     276.8          21.9                5.0 +/-    1.74      10.5 +/-    1.74  0.110 / 0.150
G10     42.3           61.0                5.2 +/-    0.91       5.9 +/-    0.91  0.080 / 0.130
G14     247.4          60.1                5.4 +/-    0.65       6.2 +/-    0.65  0.020 / 0.020
G20     84.7           43.1                6.2 +/-    1.68       8.5 +/-    1.68  0.030 / 0.020
G21     151.9          23.0                7.4 +/-    1.42      15.1 +/-    1.42  0.050 / 0.050
G24     43.9           15.8                4.3 +/-    3.61      10.5 +/-    3.61  0.040 / 0.050
G27     241.9          23.4                5.3 +/-    1.72      10.8 +/-    1.72  0.030 / 0.020
G31     181.4          18.7                4.5 +/-    3.91      10.1 +/-    3.91  0.030 / 0.030
G32     278.2          72.9                5.5 +/-    0.30       5.8 +/-    0.30  0.100 / 0.110