PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-20:28:10
G02     352.1          76.4                9.0 +/-    0.70       9.2 +/-    0.70  0.100 / 0.170
G05     162.3          36.8               14.5 +/-    1.45      22.2 +/-    1.45  0.100 / 0.200
G06     41.9           37.7                8.0 +/-    0.93      12.1 +/-    0.93  0.100 / 0.130
G12     308.0          72.0                8.9 +/-    1.15       9.3 +/-    1.15  0.110 / 0.130
G17     87.4           11.0                9.4 +/-    2.30      25.8 +/-    2.30  0.050 / 0.040
G19     78.0           24.2               10.6 +/-    1.15      21.1 +/-    1.15  0.040 / 0.030
G24     226.1          20.5               12.8 +/-    1.81      27.7 +/-    1.81  0.030 / 0.040
G25     316.5          31.0                9.2 +/-    1.00      15.8 +/-    1.00  0.030 / 0.050
G29     288.5          11.8               10.5 +/-    4.86      28.3 +/-    4.86  0.100 / 0.310