Bill, Thanks a lot for the application link - really interesting and useful. I will try to understand how it is possible to take into account the effect of the phase noise level on the link budget. Thanks. Karen, ra3apw > > > Hi again Karen, > Have you seen this app designed specifically for the Es'hail QO-100? > > https://play.google.com/store/apps/details?id=com.antmodstudios.eshail2li > nkbudget&hl=nl > > Any extra margin on C/N0 can be used to estimate permissible LO phase > noise. > Otherwise, you can put together a link budget in Excel or Libreoffice to > add whatever parameters you want. > > Cheers, > Bill