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Subject:
From:
Danny Dyer <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Fri, 5 May 2006 22:59:01 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (171 lines)
Hi Guys, Tentec makes a little kit noise bridge for about $20in kit form.
I'll try to find more info on it for you tomorrow, Danny.
----- Original Message ----- 
From: "T Behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, May 05, 2006 7:24 PM
Subject: Re: working with a Predator Screw-driver-type antenna


>     Mike:
>
> Do you have any idea on the cost of the MFJ noise bridge unit?
>
> 73 de KB8TYJ
>
> ----- Original Message ----- 
> From: "Mike Garrett" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Friday, May 05, 2006 6:43 PM
> Subject: Re: working with a Predator Screw-driver-type antenna
>
>
> > I believe that MFJ Enterprises sels an RX         noise bridge.  I have
> > uused a noise bridge from Palomar Engineers for years, but they
apparently
> > no longer sell it.  Palomar does  sell a "Tuner-Tuner"
> >  which is essentially a noise bridge with the inductance and impedance
> > adjustments; it is set for 50 ohms.  You can read about it at
> >
> >  Tuner-Tuner.
> >
> > 73.
> >
> > Mike, K9AZS
> >
> > ----- Original Message ----- 
> > From: "T Behler" <[log in to unmask]>
> > To: <[log in to unmask]>
> > Sent: Friday, May 05, 2006 2:53 PM
> > Subject: Re: working with a Predator Screw-driver-type antenna
> >
> >
> > >    Mark:
> > >
> > > No, I do not know where you can buy a noise bridge, but I bet others
on
> > > this
> > > list will know.
> > >
> > > We'll see.  ... Depending on how things go here, I may be in the
market
> > > for
> > > one myself.  In the mean-time, I'm going to try working with the Remy
> > > Simard
> > > talking SWR meter, and see how far that gets me.
> > >
> > > 73 from Tom Behler: KB8TYJ
> > >
> > > ----- Original Message ----- 
> > > From: "Frederick" <[log in to unmask]>
> > > To: <[log in to unmask]>
> > > Sent: Friday, May 05, 2006 1:15 PM
> > > Subject: Re: working with a Predator Screw-driver-type antenna
> > >
> > >
> > >> Hi Tom,
> > >>
> > >>     Personally I would think that a "noise bridge" would be your best
> > >> bet.
> > >> That being said I have never owned a noise bridge so it is just a
> guess.
> > >>     A question though do you know where can I buy a noise bridge?
> > >>                     God bless,
> > >>                     Mark WZ0K
> > >> God loves you!
> > >> My personal prayer book.
> > >> Add your prayer or pray for others at the following link.
> > >>
> > >
>
http://prayerbook.homewithgod.com/cgi-bin/prayerbook/multi.pl?131961113534708:24:0
> > >>
> > >> http://lists.topica.com/lists/funhamradio.
> > >> http://groups.google.com/group/funhamradio-list
> > >>
> > >> http://funhamradio.bloki.com
> > >> ----- Original Message ----- 
> > >> From: "T Behler" <[log in to unmask]>
> > >> To: <[log in to unmask]>
> > >> Sent: Friday, May 05, 2006 8:39 AM
> > >> Subject: working with a Predator Screw-driver-type antenna
> > >>
> > >>
> > >> > Hi, everyone.
> > >> >
> > >> > Well, my teaching semester at the University has ended, which means
> > >> > that
> > >> > Summer can't be too far behind.  And, with Summer comes another
round
> > >> > of
> > >> > experimenting with HF antenna arrangements for the RV travel
trailer
> my
> > >> > XYL
> > >> > and I recently purchased.
> > >> >
> > >> > I have decided (hopefully wisely) to try a screw-driver type
antenna
> > >> > called
> > >> > the Predator, to see how that will work for me on HF.  I am going
to
> > > mount
> > >> > the antenna system on a pipe that has been welded to the spare tire
> > > holder
> > >> > on the back of the trailer.  I am doing this simply because my XYL
> and
> > >> > I
> > >> > have found it difficult to string long wires and dipoles at most
camp
> > >> > sites.
> > >> > I also had worked with the Buddipole modular antenna system last
year
> > > with
> > >> > rather limited success, due to the fact that that particular
antenna
> > >> > system
> > >> > turned out to involve multiple combinations of tap and coil
settings,
> > >> > making
> > >> > it rather "user unfriendly" for a blind ham like me.
> > >> >
> > >> > As I get and try this screw-driver type antenna, I am thinking of
> > > several
> > >> > questions.
> > >> >
> > >> > What would be the best strategy for adjusting the antenna system so
> as
> > > to
> > >> > get the best SWR?  I have a talking SWR meter from Remy Simard that
> > > should
> > >> > help.  I assume I could put the rig on low power, and simply work
the
> > >> > antenna up or down until I get the best possible SWR.  Has anyone
> ever
> > >> > worked with one of these screw-driver-type antennas?  If so, does
> this
> > >> > strategy make sense, or do you have other suggestions?
> > >> >
> > >> >
> > >> > I also have an LDG AT11MP auto-tuner that I use with my portable HF
> > >> > set-up,
> > >> > but I would think that that wouldn't be usable in this case, since,
> in
> > >> > effect, the screw-driver antenna is already a tuner, and you'd then
> > >> > have
> > >> > two
> > >> > tuners working against each other.
> > >> >
> > >> > Any thoughts or suggestions would be appreciated here.  I hope I
> > >> > haven't
> > >> > bitten off more than I can chew, but I guess it's worth a try.
> > >> >
> > >> > Best 73 from Tom Behler: KB8TYJ, Big Rapids, MI
> > >> >
> > >> >
> > >>
> > >
> > >
> >
>

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