I hope they aren't wrong because they clearly don't understand how it works!!! http://ntrs.nasa.gov/search.jsp?R=20140006052 Bob N4HY -- Bob McGwier Co-Owner and Technical Director, Federated Wireless, LLC Professor Virginia Tech Senior Member IEEE, Facebook: N4HYBob, ARS: N4HY Faculty Advisor Virginia Tech Amateur Radio Assn. (K4KDJ)