| |
I0OJJ > ANTENN 04.07.10 00:35l 39 Lines 1259 Bytes #-5794 (0) @ WW
BID : 2010I0OJJ
Read: GUEST
Subj: Re: coax short supply
Path: DB0FHN<DB0MRW<DK0WUE<DB0RES<IK2XDE<IR2UBX<I4UKI<I0OJJ
Sent: 100703/2206z @:I0OJJ.ILAZ.ITA.EU #:6892 $:2010i0ojj
On Jul 3, 11:54=A0am, walt <w...@w2du.com> wrote:
> On Jul 3, 10:11=A0am, "Ralph Mowery" <rmowery28...@earthlink.net> wrote:
>
>
>
> > "Ian Jackson" <ianREMOVETHISjack...@g3ohx.demon.co.uk> wrote in message
>
> >news:qJc2oaSYvwLMFw3u@g3ohx.demon.co.uk...
>
> > >> But, when the coax is stretched, what happens to the characteristic
> > > impedance and the loss? [This is a (sort of) serious question!]
> > > --
> > > Ian
>
> > If the ratio of the conductors stay the same, there should not be a cha=
nge
> > except the losses go up. =A0As you streach the coax, the shield and the=
center
> > conductor will get smaller. =A0Also the dialectric will have to get sma=
ller.
> > If they do not srink at the same ratio, the impedance will change depen=
ding
> > on which conductor gets smaller the fastest.
>
> > The losses will go up because the center conductor and the outer conduc=
tor
> > are smaller. =A0This is the simple IR loss of the conductors. =A0It is =
the same
> > as going from a rg-8 to a rg-58 type coax.
>
> I'd be pleased to trade two buckets of prop wash for a coax stretcher.
> Any takers?
>
> Walt, W2DU
I see your prop wash and will give you a left handed pipe wrench in
exchange.If not the pipe wrench how about a can of muzzle blast?
Read previous mail | Read next mail
| |
