PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/11-20:58:10
G01     296.1          38.6                7.1 +/-    2.77      10.6 +/-    2.77  0.050 / 0.090
G03     310.3          13.5                7.5 +/-    3.05      19.3 +/-    3.05  0.060 / 0.080
G10     116.1          32.6               10.5 +/-    1.11      17.5 +/-    1.11  0.060 / 0.150
G11     270.4          27.3               10.1 +/-    1.29      18.7 +/-    1.29  0.070 / 0.160
G14     18.0           61.1                7.5 +/-    0.85       8.5 +/-    0.85  0.020 / 0.020
G22     312.7          34.0                6.1 +/-    0.97       9.9 +/-    0.97  0.020 / 0.020
G25     70.8           18.6                8.8 +/-    1.03      20.0 +/-    1.03  0.040 / 0.030
G31     155.6          75.0               10.3 +/-    0.30      10.6 +/-    0.30  0.030 / 0.040
G32     46.1           45.8                7.0 +/-    0.61       9.3 +/-    0.61  0.090 / 0.070