[MilCom] Question on multi scanner hook ups

[Tom M.]

What you need is a commerical multicoupler.  Try Stridesberg (burg?).

I have one and it works well, 4db loss.

Tom

--- Ron <rojoha at adelphia.net> wrote:

>  Do directional couplers with -xx dB isolation taps help or hinder multi 
> scanner hook ups to a single antenna, in regards to them introducing birdies 
> or interference back up the antenna cable to the other scanners causing you 
> to run the 'squelch' on the units at a higher setting than if connected 
> individually to their own antennae? (Talk about run on sentences!)
>      I was given several of these with F connectors (input, output and 4 
> isolation taps on each one,) with the 4 taps on each one being the same 
> 'isolation' value of either -15, -20, -25 or -30dB, by a friend who does 
> CATV installs. Units are marked 4 Way directional tap, 5-500 MHz.
>     Price was right (free), but before I start  buying a bunch of F 
> connectors and adapters to hook the scanners up to my present single ICOM 
> R7000 Disconne and experiment, I figured I'd throw it out to this august 
> group.
>     And while you are all online here, would they be of any assistance 
> isolating an RS-392 Short wave receiver from a Racal 6790 using a single 
> shared HF feed line? Would they work on frequencies below 5 MHz? With 
> degraded functionality?
>     Should the unused taps/outputs be terminated with 75 ohm terminators?
>     If you think I have any idea of what I am talking about, you are 
> mistaken!
>     TIA, Ron in Southern NH
>  
> 
> 
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