PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/04-21:27:50
G01     295.8          38.7               14.2 +/-    2.21      21.1 +/-    2.21  0.090 / 0.100
G03     310.4          13.4               14.8 +/-    2.85      38.2 +/-    2.85  0.080 / 0.100
G10     116.3          32.5               17.4 +/-    1.72      28.9 +/-    1.72  0.020 / 0.020
G11     270.0          27.3               15.0 +/-    1.44      27.8 +/-    1.44  0.020 / 0.020
G14     18.5           60.9               14.6 +/-    1.06      16.4 +/-    1.06  0.080 / 0.120
G22     312.7          34.1               14.4 +/-    0.82      23.3 +/-    0.82  0.080 / 0.140
G25     70.5           18.6               16.0 +/-    1.30      36.4 +/-    1.30  0.050 / 0.050
G31     156.5          75.0               17.8 +/-    0.49      18.4 +/-    0.49  0.040 / 0.040
G32     46.1           45.8               14.5 +/-    0.92      19.3 +/-    0.92  0.070 / 0.060