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Subject:
From:
Mike Garrett <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Fri, 5 May 2006 19:19:08 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (169 lines)
I think it's in the vicinity of $70.

73.

Mike, K9AZS

----- Original Message ----- 
From: "T Behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, May 05, 2006 6:24 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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