PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-03:27:30
G08     308.4          19.1                9.3 +/-    1.31      21.0 +/-    1.31  0.050 / 0.050
G10     342.0          61.3                7.5 +/-    0.47       8.4 +/-    0.47  0.050 / 0.060
G14     219.6          33.9               10.2 +/-    2.05      16.6 +/-    2.05  0.060 / 0.120
G20     43.8           59.0                8.9 +/-    0.43      10.3 +/-    0.43  0.050 / 0.080
G21     137.7          54.0               12.0 +/-    0.84      14.5 +/-    0.84  0.030 / 0.030
G24     70.1           29.7                7.2 +/-    0.66      12.7 +/-    0.66  0.040 / 0.040
G27     271.3          36.9               10.2 +/-    1.31      15.7 +/-    1.31  0.070 / 0.150
G32     225.9          53.7               11.7 +/-    1.63      14.2 +/-    1.63  0.070 / 0.140