PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/04-20:12:40
G10     250.0          25.3               18.4 +/-    3.04      35.8 +/-    3.04  0.050 / 0.040
G13     55.4           31.7               15.0 +/-    0.80      25.4 +/-    0.80  0.050 / 0.050
G15     87.6           57.3               16.1 +/-    0.96      18.8 +/-    0.96  0.110 / 0.400
G16     300.5          13.7               13.8 +/-    1.72      35.3 +/-    1.72  0.130 / 0.390
G18     268.5          56.0               18.4 +/-    0.90      21.7 +/-    0.90  0.140 / 0.380
G20     42.1           49.3               14.7 +/-    0.71      18.7 +/-    0.71  0.180 / 0.360
G21     335.4          61.2               16.0 +/-    0.82      18.0 +/-    0.82  0.050 / 0.070
G26     273.0          15.4               17.4 +/-    3.84      42.8 +/-    3.84  0.050 / 0.070
G29     162.3          45.7               17.4 +/-    0.75      23.2 +/-    0.75  0.110 / 0.140