I believe you're talking about a "passive repeater". Joe M.
Burt Lang wrote: > Somewhere in my pile of data books I have an application note that > refers to a "simplex repeater" being used in commercial applications. > The booklet was from either dB Products or Pye as I recall. The purpose > of their "simplex repeater" was to fill local coverage holes. The > equipment described consisted of 2 beam antennas, one pointed at the > source and the other pointed at the hole with an amplifier and filter > between them. The antennas were adjusted for maximum isolation and the > amplifier gain was set to be considerably less than the isolation > between the antennas. > > Similar setups were used in the early days of television to give > coverage in behind mountains. > > These setups would simultaneously transmit on the same frequency. > > Has anyone else seen such application notes or booklets??? > > Burt VE2BMQ > > MCH wrote: >> Just because you call something a repeater doesn't mean it is. >> >> A "simplex repeater" is not a repeater due to two things: 1. It does not >> simultaneously retransmit, and 2. It transmits on the same frequency. >> Point #1 was just clarified by the FCC Monday, but point #2 has never >> been misinterpreted in the FCC definition, AFAIK. >> >> Joe M. >> >> Dave Gomberg wrote: >>> At 16:34 3/24/2009, Jeff Condit wrote: >>>> What do you call it when messages are recorded and then >>>> retransmission begins right after reception ends? By this >>>> definition it would not constitute a "simplex repeater", right? >>> That is exactly m y understanding of what "simplex repeater" means.... >>> >>>> Jeff Condit >> >> ------------------------------------ >> >> >> >> Yahoo! Groups Links >> >> >> >> > > > ------------------------------------ > > > > Yahoo! Groups Links > > > >
