PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-22:42:10
G02     32.0           55.9               10.1 +/-    0.36      11.9 +/-    0.36  0.040 / 0.050
G05     138.8          61.6               12.1 +/-    1.04      13.6 +/-    1.04  0.040 / 0.050
G06     52.5           17.3                7.7 +/-    0.51      18.1 +/-    0.51  0.040 / 0.050
G12     205.8          70.8               11.4 +/-    1.26      12.0 +/-    1.26  0.040 / 0.060
G25     298.6          52.6                9.2 +/-    0.90      11.3 +/-    0.90  0.020 / 0.030
G29     307.5          29.1                9.0 +/-    1.27      16.1 +/-    1.27  0.020 / 0.040