NASA NTRS2016The X/Ka Celestial Reference Frame: Assessing Accuracy - Can It Be More Accurate than the ICRF2?No abstract availableJacobs, Christopher S.↗
NASA NTRS2013Extending the X/ka Celestial Reference Frame to the South Polar Caps: Results from Combined NASA-ESA Baselines to Marlargue, ArgentinaNo abstract availablequasar↗