PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/24-18:28:10
G02     357.7          75.0               13.5 +/-    0.65      14.0 +/-    0.65  0.140 / 0.320
G05     166.0          37.3               15.1 +/-    1.32      23.0 +/-    1.32  0.210 / 0.220
G06     44.0           34.0               11.5 +/-    1.00      18.6 +/-    1.00  0.030 / 0.020
G12     290.2          77.8               13.0 +/-    0.67      13.2 +/-    0.67  0.030 / 0.020
G19     82.9           21.2               12.1 +/-    1.27      25.9 +/-    1.27  0.040 / 0.080
G24     224.5          18.3               15.8 +/-    1.48      36.2 +/-    1.48  0.050 / 0.080
G25     314.5          39.6               12.3 +/-    0.93      17.9 +/-    0.93  0.040 / 0.070
G29     292.7          15.3               11.2 +/-    2.66      27.6 +/-    2.66  0.050 / 0.060