PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/29-23:27:40
G02     83.7           15.2               14.7 +/-   35.88      36.5 +/-   35.88  0.130 / 0.260
G05     44.7           34.5               15.6 +/-   33.89      24.9 +/-   33.89  0.170 / 0.250
G13     98.9           34.3               18.5 +/-   33.41      29.7 +/-   33.41  0.090 / 0.220
G15     146.2          38.1               21.9 +/-   33.41      32.9 +/-   33.41  0.100 / 0.080
G18     232.1          27.3               18.5 +/-   33.81      34.3 +/-   33.81  0.140 / 0.200
G20     5.5            81.6               20.9 +/-   34.01      21.1 +/-   34.01  0.110 / 0.160
G21     297.6          36.6               18.6 +/-   35.27      28.6 +/-   35.27  0.120 / 0.340
G25     203.9          21.8               20.6 +/-   36.48      43.4 +/-   36.48  0.150 / 0.180
G26     305.6          18.0               14.6 +/-   34.09      33.7 +/-   34.09  0.030 / 0.170
G29     77.3           86.9               23.3 +/-   34.16      23.3 +/-   34.16  0.020 / 0.020