At 9/26/2009 15:42, you wrote: >I added another antenna to the periodically-updated antenna sweeps >repository. This one is the NLA (no longer available) Decibel S420-440-450, >the special-order ham-band version of the beloved Decibel (now Andrew) DB420 >dipole array. > >The latest version of the antenna sweep document in PDF is available here: > >http://www.broadsci.com/AntennaSweepsR2.pdf > >The not-particularly-pretty HTML version is available here: > >http://www.broadsci.com/AntennaSweepsR2.html
Any thoughts as to why the DB-420 is so much more broadbanded than the DB-408 & DB411? It'd be interesting to see just how far out the DB-420 goes, since the best RL is at the edge of the measurement band @ 420 MHz. Bob NO6B
