AND THEN .. to bring up the reminder .. in this instance (RE: connectors)
UHF does NOT mean Ultra High Frequency, but rather UNIVERSAL HIGH
FREQUENCY... Great discussion, guys! I keep on keeping on learning
"stuff"!
Cheers, Mark AA6DX
----- Original Message -----
From: "Steve Meuse" <smeuse@mara.org>
To: "Tom Rauch" <w8ji@contesting.com>; <towertalk@contesting.com>
Sent: Wednesday, April 28, 2004 12:31 PM
Subject: [TowerTalk] Re: Connector loss
>
>
> This is great info, thanks for taking the time to explain it!
>
> I've always suspected the "wives's tale" to be untrue, but never had any
> data to prove it.
>
> I'll be archiving this message for future reference ;)
>
>
> At 02:03 PM 4/28/2004 -0400, Tom Rauch wrote:
> > >
> > > I would do the math. If I knew the loss from the
> >connectors (say 1db for
> > > example), I would see if 200' of a rigid cable minus the
> >1db loss would be
> > > more beneficial than a single 200' run of a flex cable
> >with no connector loss.
> >
> >I can shed some light on this, since I have the equipment to
> >measure this.
> >
> >The loss of properly installed good quality connectors below
> >UHF is in the hundredths of a dB.
> >
> >UHF connectors actually have less loss than N connectors
> >below a hundred MHz, and handle significantly more power.
> >
> >The exception to this are some uncommon types of barrel
> >connectors and elbows that use spiral conductors and some
> >cheap plastic import connectors. Some of them measure as
> >high as .07dB loss, and are unusable at power over 300-400
> >watts.
>
>
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