PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/15-19:43:10
G02     294.8          80.8               12.6 +/-    0.89      12.8 +/-    0.89  0.060 / 0.120
G05     167.1          27.0               15.7 +/-    1.52      29.3 +/-    1.52  0.040 / 0.120
G06     40.7           44.9               10.5 +/-    0.79      14.1 +/-    0.79  0.030 / 0.050
G12     318.7          67.7               10.1 +/-    1.00      10.8 +/-    1.00  0.030 / 0.050
G17     80.6           15.5               11.6 +/-    1.74      28.4 +/-    1.74  0.030 / 0.040
G19     66.9           33.7               11.5 +/-    1.08      18.7 +/-    1.08  0.040 / 0.040
G24     232.6          27.1               16.5 +/-    4.08      30.7 +/-    4.08  0.090 / 0.160
G25     317.7          22.9               10.9 +/-    1.18      22.4 +/-    1.18  0.120 / 0.140