[MilCom] Harm's Way

[Larry Van Horn]

Tom I hope you and Shawn are out of the danger zone. To all my friends in 
the Big Easy, may God watch over you all. And remember if you are hearing 
the hurricane hunters on 304.8 MHz. your way to close to the action.

73 all,

Larry Van Horn, N5FPW
Founding Father Milcom/Fedcom
Assistant Editor/Milcom Columnist
Monitoring Times magazine



----- Original Message ----- 
From: "Tom M." <courir26 at yahoo.com>
To: "Ron" <rojoha at adelphia.net>; "MilCom" <milcom at mailman.qth.net>
Sent: Saturday, August 27, 2005 6:11 PM
Subject: Re: [MilCom] Question on multi scanner hook ups


> 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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