Mike,
I assume the purpose of the paint can is to act as a Faraday cage? Is it attached to the common-point ground system or left freestanding? 73, Mike WM4B From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Mike Morris WA6ILQ Sent: Monday, May 04, 2009 5:19 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Re: desense question At 06:07 AM 05/04/09, you wrote: > >> The amp is a UHF PA off a mobile rig, and I needed about > >> 50 feet of RG58U to attenuate the signal from the repeater > >> into the amp module. > > > > Not good, probably better to bypass (not use) the 15 watt > > amplifier and drive the external amp direct from the exciter. > > Not a thing wrong with using a length of coax as an attenuator if it's >done right. Have used this technique often when a little attenuation is >needed. > >Al, K9SI Somewhere I've got a couple of photos of attenuators made from a paint can with coil of coax inside it. A pair of hooded SO239s on the lid and you're done. One is of a 5 gallon paint can, the other of a 1 gallon. Mike
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