#<li value="4">[https://www.google.com/patents/US6898235 US patent 6898235, Carlin, Joe; Terry Collins & Peter Hays et al., "Wideband communication intercept and direction finding device using hyperchannelization", published 1999, issued 2005]</li>
#<li value="4">{{Citation
| ref=refCarlin
| inventor-last =Carlin
| inventor-first =Joe
| inventor2-last =Collins
| inventor2-first =Terry
| inventor3-last =Hays
| inventor3-first =Peter
| inventor4-last =Hemmerdinger
| inventor4-first =Barry
| inventor5-last =Kellogg
| inventor5-first =Robert
| inventor6-last =Kettig
| inventor6-first =Robert
| inventor7-last =Lemmon
| inventor7-first =Bradley
| inventor8-last =Murdock
| inventor8-first =Thomas
| inventor9-last =Tamaru
| inventor9-first =Robert
| inventor10-last =Ware
| inventor10-first =Stuart
| publication-date = 1999
| issue-date = 2005
| title = Wideband communication intercept and direction finding device using hyperchannelization