A system for verifying composite pseudo-noise (PN) encoded signals. The system provides at least three PN component codes, wherein the at least three PN component codes are relatively prime. The system partially correlates a received PN composite encoded signal with a first minor epoch derived from the...http://www.google.com/patents/US7321609?utm_source=gb-gplus-sharePatent US7321609 - System and method for detecting PN code phase
