Alexandria repeater receives upgrade
N8IK and KV3W spent some time over the weekend installing a new duplexer on the Alexandria system. Previously, with a mobile style duplexer they had -80 db of isolation (1.5db insertion loss). The new TX/RX duplexer provides -111 db of isolation (0.59 db insertion loss).
These figures speaks to the importance of engineering high performing antenna and isolation systems in repeater stations. This will improve system performance especially for stations that may be on the fringe or on handhelds.
