PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-03:28:00
G08     308.4          19.1                7.3 +/-    1.01      16.5 +/-    1.01  0.050 / 0.070
G10     342.0          61.3                7.1 +/-    0.50       7.9 +/-    0.50  0.060 / 0.110
G14     219.6          33.9                9.7 +/-    1.65      15.7 +/-    1.65  0.030 / 0.030
G20     43.8           59.0                9.9 +/-    0.72      11.4 +/-    0.72  0.040 / 0.030
G21     137.7          54.0               10.9 +/-    0.40      13.1 +/-    0.40  0.050 / 0.050
G24     70.1           29.7                6.5 +/-    1.41      11.5 +/-    1.41  0.050 / 0.050
G27     271.3          36.9                9.7 +/-    2.14      14.9 +/-    2.14  0.140 / 0.160
G32     225.9          53.7               10.6 +/-    2.76      12.9 +/-    2.76  0.150 / 0.120