PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/20-00:58:00
G05     50.4011        15.0765          9.2599 +/-  1.2984   22.9900 +/-  1.2984  0.120 / 0.210
G10     239.7802       15.4122         15.8721 +/-  3.3260   39.0859 +/-  3.3260  0.100 / 0.160
G13     70.2507        36.6911         10.2367 +/-  1.0271   15.7538 +/-  1.0271  0.110 / 0.300
G15     120.5774       54.9975         12.5887 +/-  0.6255   14.9999 +/-  0.6255  0.100 / 0.230
G16     310.4673       13.2517         10.0073 +/-  2.3966   25.9555 +/-  2.3966  0.030 / 0.040
G18     250.1849       44.6673         13.7141 +/-  0.9110   18.5682 +/-  0.9110  0.030 / 0.040
G20     34.0677        59.7768          9.6857 +/-  0.6587   11.0213 +/-  0.6587  0.130 / 0.220
G21     317.5163       50.3780         11.8690 +/-  0.8498   14.8996 +/-  0.8498  0.110 / 0.230
G26     283.2567       19.4926          9.7305 +/-  1.7363   21.6775 +/-  1.7363  0.050 / 0.070
G29     158.9503       64.3168         12.1742 +/-  0.8669   13.3531 +/-  0.8669  0.060 / 0.070