PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/19-00:58:00
G05     49.7208        16.4906          8.6705 +/-  1.6974   20.7955 +/-  1.6974  0.230 / 0.330
G10     238.5534       14.0468         13.4087 +/-  2.7203   34.1271 +/-  2.7203  0.170 / 0.260
G13     72.5770        37.0139         10.3147 +/-  0.6662   15.7833 +/-  0.6662  0.080 / 0.090
G15     123.7497       53.9113         13.4519 +/-  0.7659   16.2150 +/-  0.7659  0.060 / 0.080
G16     312.0873       12.7808          7.5322 +/-  2.8457   19.7523 +/-  2.8457  0.070 / 0.200
G18     248.3033       43.2513         12.6742 +/-  1.2583   17.5202 +/-  1.2583  0.100 / 0.280
G20     32.7410        61.4984         12.0166 +/-  0.5185   13.4738 +/-  0.5185  0.150 / 0.340
G21     315.7210       49.1503          9.7190 +/-  0.9398   12.3874 +/-  0.9398  0.120 / 0.280
G26     285.1174       19.7656          7.6732 +/-  1.1167   16.9804 +/-  1.1167  0.110 / 0.260
G29     157.9366       66.4658         11.9180 +/-  0.4296   12.8760 +/-  0.4296  0.120 / 0.230