PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-19:42:30
G02     251.2          77.5               10.2 +/-    0.44      10.4 +/-    0.44  0.100 / 0.140
G05     170.2          18.8               13.5 +/-    1.99      30.5 +/-    1.99  0.090 / 0.110
G06     39.7           55.9                9.4 +/-    0.36      11.1 +/-    0.36  0.090 / 0.280
G12     320.9          52.7                9.6 +/-    0.82      11.7 +/-    0.82  0.090 / 0.270
G17     71.9           22.1                8.1 +/-    1.11      16.9 +/-    1.11  0.030 / 0.030
G19     60.3           35.8                8.8 +/-    0.98      13.7 +/-    0.98  0.030 / 0.030
G24     242.4          33.0               13.3 +/-    0.86      21.9 +/-    0.86  0.050 / 0.060
G25     316.7          14.0                8.3 +/-    1.52      21.1 +/-    1.52  0.030 / 0.060