PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/24-15:42:30
G02     202.0          24.3               16.3 +/-    2.36      32.3 +/-    2.36  0.060 / 0.100
G06     168.1          60.3               15.4 +/-    1.07      17.4 +/-    1.07  0.090 / 0.120
G17     31.5           53.0               11.5 +/-    0.98      14.0 +/-    0.98  0.180 / 0.290
G19     348.3          68.8               11.4 +/-    0.65      12.1 +/-    0.65  0.190 / 0.350
G24     307.1          32.3               10.1 +/-    1.71      16.9 +/-    1.71  0.040 / 0.050
G28     94.9           35.9               11.6 +/-    1.01      18.1 +/-    1.01  0.030 / 0.040
G30     158.2          10.8               16.9 +/-    3.74      46.4 +/-    3.74  0.070 / 0.170