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Re: RG 174

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  • o1skyman
    Well... I got the RG 174 abt a 1000ft on the spool.. Barry let me know if you want to trade some cores for some RG 174...
    Message 1 of 6 , May 4, 2012
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      Well... I got the RG 174 abt a 1000ft on the spool.. Barry let me know if you want to trade some cores for some RG 174...

      --- In sierra_wilderness_radio@yahoogroups.com, Barry N1EU <n1eu.barry@...> wrote:
      >
      > Yes Michael - I've read the fb article (
      > http://www.worldradiomagazine.com/wro_issues/2010/WRO_1010_14-29.pdf) and
      > it includes a very good choke. Eventually I'll put one of these together -
      > already have the correct cores.
      >
      > 73,
      > Barry N1EU
      >
      > On Thu, Apr 26, 2012 at 1:36 PM, ve3wmb <mbabineau@...> wrote:
      >
      > > **
      > >
      > >
      > > Barry :
      > >
      > > I think that the secret is to use a good RF choke (i.e coax wound on an
      > > appropriate toroid)
      > > rather than just a few turns of coax taped together. You shouldn't need a
      > > tuner.
      > >
      > > I'll see if I can find a reference to the article in World Radio .. it was
      > > a good one.
      > >
      > > Michael VE3WMB
      > >
      > > --- In sierra_wilderness_radio@yahoogroups.com, Barry N1EU <n1eu.barry@>
      > > wrote:
      > > >
      > > > On Wed, Apr 25, 2012 at 2:02 PM, ve3wmb <mbabineau@> wrote:
      > > >
      > > > > **
      > > > >
      > > > >
      > > > > One antenna application for this is a portable resonant feedline dipole
      > > > > (RFD) where a 1/4 wavelength of the RG-174 makes up one half of the
      > > antenna
      > > > > and also acts as part of the feedline. The nice thing about using
      > > RG-174
      > > > > for this is that you can easily wrap it around a large toroid to make
      > > the
      > > > > RF choke. This is a handy single band antenna for
      > > > > portable operation as it is physically an end-fed dipole but
      > > electrically
      > > > > it is center-fed
      > > > > so provided that you have a good RF choke it performs like a normal
      > > dipole.
      > > > >
      > > >
      > > > Has anyone made one of these and can report on the SWR? I've seen
      > > > conflicting reports of needing to use a tuner with this antenna. It
      > > > certainly DOES look inviting for lightweight single band trail use.
      > > >
      > > > Barry N1EU
      > > >
      > >
      > >
      > >
      >
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