PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/25-16:27:50
G02     354.3          74.8                7.7 +/-    0.52       7.9 +/-    0.52  0.150 / 0.360
G05     162.1          39.6               10.8 +/-    0.79      15.8 +/-    0.79  0.160 / 0.360
G06     43.5           33.0                6.7 +/-    1.23      11.1 +/-    1.23  0.150 / 0.230
G12     294.6          77.3                9.7 +/-    0.97       9.9 +/-    0.97  0.190 / 0.350
G17     89.9           9.8                 9.3 +/-    1.13      25.9 +/-    1.13  0.090 / 0.210
G19     81.7           21.3                7.8 +/-    1.89      16.6 +/-    1.89  0.080 / 0.220
G24     224.1          18.0                9.4 +/-    2.91      21.6 +/-    2.91  0.050 / 0.060
G25     315.5          34.1                6.5 +/-    1.32      10.4 +/-    1.32  0.040 / 0.080
G29     290.7          12.8               10.5 +/-    1.55      27.5 +/-    1.55  0.040 / 0.030