Joseph, You will find it difficult to get below -170 dBc/Hz. However, you can use cross-correlation to get as low as -220 dBc/Hz.
Rubiola is a wealth of information on cross-correlation. You can download his papers at http://rubiola.org/index.html See "The cross-spectrum experimental method, February 2010" See also measurements by John Ackerman: http://www.febo.com/pages/cross-correlation/ MRM _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there.