[MilCom] re: Milcom antenna location

giantkiller54 at comcast.net giantkiller54 at comcast.net
Sat Dec 9 15:48:51 EST 2006


I have had that antenna on a 25 foot mast in a high wind location for a few years now and it has survived just fine. It's low profile is probably an advantage. I am now using it as a primary since my Scantenna (2nd one) blew apart in the last windstorm.

Sonny
Southeastern Massachusetts
K1USW

--
Sonny 
Southeastern Mass 
K1USW

-------------- Original message -------------- 
From: "" <ka3jjz at netscape.com> 

> Last night, Ken wrote: 
> ---------------------- 
> Antenna mounted outside in back yard on 10 foot pole, 50 foot run 
> Antenna mounted in attic that is approximately 30 feet higher BUT may be 
> a 100 foot run. 
> House does not have aluminum siding. 
> Antenna will be Radio Shack Model 20-176 VHF Hi/UHF Antenna 
> http://www.radioshack.com/sm-outdoor-vhf-hi-uhf-scanner-antenna--pi-2103641.html 
> 
> I've found that when using the computer/local area network, significiant 
> portions of the 138-144, 148-150.8 mhz band receive interference. 
> ---------------------- 
> I'm not sure about having that RS antenna outdoors - I keep hearing one of them 
> - I'm not sure if it's this one - isn't really put together well to stand up to 
> the elements. A little homework needed there. 
> 
> But hands down, get that antenna outside. You might be able to get away somewhat 
> from the crud from the PC and LAN. Even with good coax, putting the antenna 
> indoors will introduce some attenuation, not to mention making your setup more 
> vulnerable to RFI from your PC/LAN. 
> 
> Wireless routers are prime suspects when it comes to RFI, as I understand it. It 
> may pay to choke off all cables coming from/going to the router, as well as 
> making them as short as possible. I'd also insure that the coax from the antenna 
> comes nowhere near the PC/LAN if at all possible. 
> 
> 73s Mike 
> 
> links editor,Capitol Hill Monitors 
> Utility Monitoring Central 
> editor, Strong Signals software page 
> Wiki Administrator, Radioreference.Com 
> 
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