Topband: Topband Digest, Vol 125, Issue 17

[Charlie Cunningham]

AMEN!!

Charlie Cunningham, K4OTV
Charles Cunningham, Jr. PE

-----Original Message-----
From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of KB8NTY
Sent: Friday, May 17, 2013 8:36 PM
To: topband at contesting.com
Subject: Re: Topband: Topband Digest, Vol 125, Issue 17

Dean,
Kreger Components, Has the best pricing! Better than all distributors, and
their website displays available inventory on hand.
A 100% woman owned & run company..you dont need to drop any names as they
all will offer you first class service.
-73-
RossRadio
Antenna Ground Radial Website: http://radialstaple.wordpress.com/


+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
www.kregercomponents.com.
----- Original Message -----
From: <topband-request at contesting.com>
To: <topband at contesting.com>
Sent: Friday, May 17, 2013 12:00 PM
Subject: Topband Digest, Vol 125, Issue 17


> Send Topband mailing list submissions to
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> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Topband digest..."
>
>
> Today's Topics:
>
>   1. "New beverage" (Ron Spencer)
>   2. Re: "New beverage" (Joe Subich, W4TV)
>   3. Re: "New beverage" (Tom W8JI)
>   4. Re: "New beverage" (Herb Schoenbohm)
>   5. Re: "New beverage" (John Kaufmann)
>   6. Re: "New beverage" (Tom W8JI)
>   7. Re: "New beverage" (PA5MW, Mark)
>   8. New Filtering Technique (N7DF)
>   9. RFI  ferrites (dospicos at q.com)
>  10. Re: RFI ferrites (Andy Blank)
>  11. Re: RFI  ferrites (Shoppa, Tim)
>  12. Re: RFI  ferrites (N1BUG)
>  13. Re: RFI ferrites (Richard Zalewski)
>  14. Re: RFI  ferrites (Charlie Cunningham)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 16 May 2013 10:19:30 -0700
> From: Ron Spencer <ron.e.spencer at gmail.com>
> To: topband at contesting.com
> Subject: Topband: "New beverage"
> Message-ID: <51951522.5010008 at gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> After looking at their literature it appears to me that this is nothing
> more then two beverages, one in each direction, with the "feed unit"
> being, perhaps,  a couple relays. I don't see the merit in using RG6 as
> the beverage wire: its heavy, will need more supports, and compared to
> other solutions, perhaps more expensive. And the fact that the feed unit
> can be placed anywhere along the antenna? I must be missing something
> clever because all that would seem to do is make one direction's wire
> longer and the other shorter?
>
> Ron
> N4XD
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 16 May 2013 13:38:42 -0400
> From: "Joe Subich, W4TV" <lists at subich.com>
> To: topband at contesting.com
> Subject: Re: Topband: "New beverage"
> Message-ID: <519519A2.5090408 at subich.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
>
> Electronically both directions are "full length" ... I suspect the
> design is similar to the one shown about half way down the page here:
> http://kw2p.blogspot.com/2010/08/kw2p-beverage-antenna-designs.html
>
> 73,
>
>    ... Joe, W4TV
>
>
> On 5/16/2013 1:19 PM, Ron Spencer wrote:
>> After looking at their literature it appears to me that this is nothing
>> more then two beverages, one in each direction, with the "feed unit"
>> being, perhaps,  a couple relays. I don't see the merit in using RG6 as
>> the beverage wire: its heavy, will need more supports, and compared to
>> other solutions, perhaps more expensive. And the fact that the feed unit
>> can be placed anywhere along the antenna? I must be missing something
>> clever because all that would seem to do is make one direction's wire
>> longer and the other shorter?
>>
>> Ron
>> N4XD
>> All good topband ops know how to put up a beverage at night.
>> _________________
>> Topband Reflector
>>
>
>
> ------------------------------
>
> Message: 3
> Date: Thu, 16 May 2013 13:57:50 -0400
> From: "Tom W8JI" <w8ji at w8ji.com>
> To: <topband at contesting.com>
> Subject: Re: Topband: "New beverage"
> Message-ID: <EAA7165BB8B747D7837397A7A8492CA7 at tom0c1d32a93f0>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=response
>
>> After looking at their literature it appears to me that this is nothing
>> more then two beverages, one in each direction, with the "feed unit"
>> being, perhaps,  a couple relays. I don't see the merit in using RG6 as
>> the beverage wire: its heavy, will need more supports, and compared to
>> other solutions, perhaps more expensive. And the fact that the feed unit
>> can be placed anywhere along the antenna? I must be missing something
>> clever because all that would seem to do is make one direction's wire
>> longer and the other shorter?
>
> Since the antenna is a transmission line, with suitable end and center
> transformers, the feedpoint can be placed anywhere and the full length 
> used.
>
> With different transformers, any reasonable type of transmission line can 
> be
> used.
>
>
>
> ------------------------------
>
> Message: 4
> Date: Fri, 17 May 2013 14:44:29 -0400
> From: Herb Schoenbohm <herbs at vitelcom.net>
> To: topband at contesting.com
> Subject: Re: Topband: "New beverage"
> Message-ID: <51967A8D.4040309 at vitelcom.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Good quality flooded RG-6 laying on the ground (BOG) might be an easy
> install like before contests at some locations.  However I have no idea
> on how this would perform compared to an elevated version.  If the
> directivety  is maintained and the S/N ratio is still usable then such a
> concept would be worth considering.  Such an installation might also be
> considered for DX-peditions where supports for a normal Beverage are
> just not available. Even for a short term use a normal consumer grade
> 1000 foot roll of RG-6 is competitive with the same amount of #12 or 14
> THNN and certainly more competitive than 1000' of higher grade ladder
> line. It is nice however having a vendor who offers a unique of the
> shelf solution and it would nice to get some feedback on A/B checks with
> the conventional Beverage.
>
> Herb, KV4FZ
>
>
>
>
> On 5/16/2013 1:57 PM, Tom W8JI wrote:
>>> After looking at their literature it appears to me that this is
>>> nothing more then two beverages, one in each direction, with the
>>> "feed unit" being, perhaps,  a couple relays. I don't see the merit
>>> in using RG6 as the beverage wire: its heavy, will need more
>>> supports, and compared to other solutions, perhaps more expensive.
>>> And the fact that the feed unit can be placed anywhere along the
>>> antenna? I must be missing something clever because all that would
>>> seem to do is make one direction's wire longer and the other shorter?
>>
>> Since the antenna is a transmission line, with suitable end and center
>> transformers, the feedpoint can be placed anywhere and the full length
>> used.
>>
>> With different transformers, any reasonable type of transmission line
>> can be used.
>> All good topband ops know how to put up a beverage at night.
>> _________________
>> Topband Reflector
>
>
>
> ------------------------------
>
> Message: 5
> Date: Thu, 16 May 2013 20:37:32 -0400
> From: "John Kaufmann" <john.kaufmann at verizon.net>
> To: <topband at contesting.com>
> Subject: Re: Topband: "New beverage"
> Message-ID: <004601ce5296$b97b9860$2c72c920$@kaufmann at verizon.net>
> Content-Type: text/plain; charset="US-ASCII"
>
> Go to http://exax.net/index.html and scroll down the page to "center fed
> steerable wave antenna".  The diagram shows how you can feed a 2-wire
> Beverage in the center, or anywhere along its length.  The two 
> transformers
> in the middle have center taps that pass signal currents from one side of
> the antenna to the other side.  Therefore the entire length of the 
> Beverage
> is active at all times.  I built one of these systems many years ago and 
> it
> worked very well.
>
> The reflection transformers at the end function exactly the same as the
> reflection transformers in a conventional 2-wire Beverage, and convert
> common mode currents to transmission line currents that are sent back to 
> the
> center of the antenna.  The secondary windings of the two transformers in
> the center pick off the transmission line currents and provide receiver
> feeds for two directions.  Functionally it is the same as a conventional
> 2-wire Beverage of the same overall length, except it gives you the
> convenience of feeding it anywhere.
>
> 73, John W1FV
>
>
> ------------------------------
>
> Message: 6
> Date: Thu, 16 May 2013 22:19:33 -0400
> From: "Tom W8JI" <w8ji at w8ji.com>
> To: <topband at contesting.com>
> Subject: Re: Topband: "New beverage"
> Message-ID: <DF563A423B7A4741AACDA14F5DF40542 at tom0c1d32a93f0>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
>> Go to http://exax.net/index.html and scroll down the page to "center fed
>> steerable wave antenna".  The diagram shows how you can feed a 2-wire
>> Beverage in the center, or anywhere along its length.  The two
>> transformers
>> in the middle have center taps that pass signal currents from one side of
>> the antenna to the other side.  Therefore the entire length of the
>> Beverage
>> is active at all times.
>
> Except with coax, you would not connect across the center tap point. There
> would be a direct connection across the shields, since the center has no
> common mode (antenna mode) currents at all.
>
> With a true balanced line, the common mode (antenna mode) connection is
> across a center tap.
>
>
>
>
> ------------------------------
>
> Message: 7
> Date: Fri, 17 May 2013 09:10:28 +0200
> From: "PA5MW, Mark" <pa5mw at home.nl>
> To: topband at contesting.com
> Subject: Re: Topband: "New beverage"
> Message-ID: <5195D7E4.2030400 at home.nl>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> I find the center/off-center feedpoint very attractive for those of us
> cramped in between on a city lot.
> You can hide a BOG-like coax along the neighbors property lines for 200
> to 500 ft in two directions, whatever suits you.
>
> The termination adjustment is done at your shack.  Much preferred over
> doing it on any open/public property, in the dark etc..
>
> What I'm missing is detailed info on the installed height of this
> reversible beverage and the involved effects at typical BOG heights from
> 0 to 1/3 foot or so.
>
> 73 Mark, PA5MW
>
>
>
> On 17-5-2013 20:44, Herb Schoenbohm wrote:
>> Good quality flooded RG-6 laying on the ground (BOG) might be an easy
>> install like before contests at some locations.  However I have no
>> idea on how this would perform compared to an elevated version. If the
>> directivety  is maintained and the S/N ratio is still usable then such
>> a concept would be worth considering.  Such an installation might also
>> be considered for DX-peditions where supports for a normal Beverage
>> are just not available. Even for a short term use a normal consumer
>> grade 1000 foot roll of RG-6 is competitive with the same amount of
>> #12 or 14 THNN and certainly more competitive than 1000' of higher
>> grade ladder line. It is nice however having a vendor who offers a
>> unique of the shelf solution and it would nice to get some feedback on
>> A/B checks with the conventional Beverage.
>>
>> Herb, KV4FZ
>>
>>
>>
>>
>> On 5/16/2013 1:57 PM, Tom W8JI wrote:
>>>> After looking at their literature it appears to me that this is
>>>> nothing more then two beverages, one in each direction, with the
>>>> "feed unit" being, perhaps,  a couple relays. I don't see the merit
>>>> in using RG6 as the beverage wire: its heavy, will need more
>>>> supports, and compared to other solutions, perhaps more expensive.
>>>> And the fact that the feed unit can be placed anywhere along the
>>>> antenna? I must be missing something clever because all that would
>>>> seem to do is make one direction's wire longer and the other shorter?
>>>
>>> Since the antenna is a transmission line, with suitable end and
>>> center transformers, the feedpoint can be placed anywhere and the
>>> full length used.
>>>
>>> With different transformers, any reasonable type of transmission line
>>> can be used.
>>> All good topband ops know how to put up a beverage at night.
>>> _________________
>>> Topband Reflector
>>
>> All good topband ops know how to put up a beverage at night.
>> _________________
>> Topband Reflector
>>
>
>
>
> ------------------------------
>
> Message: 8
> Date: Fri, 17 May 2013 06:53:09 -0700 (PDT)
> From: N7DF <n7df at yahoo.com>
> To: "topband at contesting.com" <topband at contesting.com>
> Subject: Topband: New Filtering Technique
> Message-ID:
> <1368798789.2486.YahooMailNeo at web162803.mail.bf1.yahoo.com>
> Content-Type: text/plain; charset=iso-8859-1
>
> Is there a possibility that this filtering methodology?could be applied to

> topband systems?
> ?
>
http://www.spacewar.com/reports/Making_frequency_hopping_radios_practical_99
9.html
>
> ------------------------------
>
> Message: 9
> Date: Fri, 17 May 2013 11:06:00 -0400 (EDT)
> From: dospicos at q.com
> To: topband at contesting.com
> Subject: Topband: RFI  ferrites
> Message-ID:
> <46649667.829544.1368803160688.JavaMail.root at md20.quartz.synacor.com>
> Content-Type: text/plain; charset=utf-8
>
>
>
>
>
> HI All:
>
>
>
> I am looking for a source(s ) for mix 31 ferrites. Especially in the 
> larger sizes, like the FT 240. I have tried the usual suspects . Amidon, 
> Digikey, Mouser, Lodestar Pacific, to no avail.
>
>
>
> Any leads will be appreciated, either on or off the list.
>
>
>
> 73 to all
>
>
>
> Dean? W5PJR
>
> Tijeras, NM
>
>
> ------------------------------
>
> Message: 10
> Date: Fri, 17 May 2013 11:21:08 -0400
> From: Andy Blank <andyn2nt at gmail.com>
> To: dospicos at q.com
> Cc: topband at contesting.com
> Subject: Re: Topband: RFI ferrites
> Message-ID:
> <CAP+eefKy3T=55q_4aU8nAVAk41cGMKjwA+wyBy1ri-X3s+=scg at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Dean here is a great source for stuff like that.
> Cheap too.
>
> http://www.kitsandparts.com/toroids.php
>
> 73, Andy N2NT
>
>
> On Fri, May 17, 2013 at 11:06 AM, <dospicos at q.com> wrote:
>
>>
>>
>>
>>
>> HI All:
>>
>>
>>
>> I am looking for a source(s ) for mix 31 ferrites. Especially in the
>> larger sizes, like the FT 240. I have tried the usual suspects . Amidon,
>> Digikey, Mouser, Lodestar Pacific, to no avail.
>>
>>
>>
>> Any leads will be appreciated, either on or off the list.
>>
>>
>>
>> 73 to all
>>
>>
>>
>> Dean  W5PJR
>>
>> Tijeras, NM
>> All good topband ops know how to put up a beverage at night.
>> _________________
>> Topband Reflector
>
>
> ------------------------------
>
> Message: 11
> Date: Fri, 17 May 2013 15:24:31 +0000
> From: "Shoppa, Tim" <tshoppa at wmata.com>
> To: "'dospicos at q.com'" <dospicos at q.com>, "'topband at contesting.com'"
> <topband at contesting.com>
> Subject: Re: Topband: RFI  ferrites
> Message-ID:
> <303A17BD5F8FA34DA45EEC245271AC0B7438FA8C at JGEX2K10MBX2.wmata.local>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Fair-Rite 2631803802 is the Amidon FT-240-31. Available at Mouser, Newark,

> Arrow, and other places.
>
> I have a personal cross-ref between some Amidon and Fair-rite numbers. Not

> sure if I'd get in trouble for publishing it.
>
> I like to use a white paint marker to put numbers on big cores as I unpack

> them :-)
>
> Tim N3QE
>
> ----- Original Message -----
> From: dospicos at q.com [mailto:dospicos at q.com]
> Sent: Friday, May 17, 2013 11:06 AM
> To: topband at contesting.com <topband at contesting.com>
> Subject: Topband: RFI  ferrites
>
>
>
>
>
> HI All:
>
>
>
> I am looking for a source(s ) for mix 31 ferrites. Especially in the 
> larger sizes, like the FT 240. I have tried the usual suspects . Amidon, 
> Digikey, Mouser, Lodestar Pacific, to no avail.
>
>
>
> Any leads will be appreciated, either on or off the list.
>
>
>
> 73 to all
>
>
>
> Dean? W5PJR
>
> Tijeras, NM
> All good topband ops know how to put up a beverage at night.
> _________________
> Topband Reflector
>
> ------------------------------
>
> Message: 12
> Date: Fri, 17 May 2013 11:30:03 -0400
> From: N1BUG <paul at n1bug.com>
> To: dospicos at q.com
> Cc: topband at contesting.com
> Subject: Re: Topband: RFI  ferrites
> Message-ID: <51964CFB.1020807 at n1bug.com>
> Content-Type: text/plain; charset=UTF-8; format=flowed
>
> Hi Dean,
>
> Did you search for the right part number? Mouser indicates 748 of
> the 2.4" 31 mix toroids in stock at $6.94 each. That is where I get
> mine from. The Fair-Rite part number is 2631803802.
>
> 73,
> Paul N1BUG
>
>
> ------------------------------
>
> Message: 13
> Date: Fri, 17 May 2013 08:30:37 -0700
> From: Richard Zalewski <dick.w7zr at gmail.com>
> To: Andy Blank <andyn2nt at gmail.com>
> Cc: dospicos at q.com, topband at contesting.com
> Subject: Re: Topband: RFI ferrites
> Message-ID:
> <CACVQm3m0y7Qt2TLbpP0sV-M=2G+Cg850j3ncwjG2qm0tNwN0qQ at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> I have 4 large ones that are brand new that I never used.  1 3/8 ID 2 3/8
> od 7/16 thick.  Got these from Amidon.
>
> On Fri, May 17, 2013 at 8:21 AM, Andy Blank <andyn2nt at gmail.com> wrote:
>
>> Dean here is a great source for stuff like that.
>> Cheap too.
>>
>> http://www.kitsandparts.com/toroids.php
>>
>> 73, Andy N2NT
>>
>>
>> On Fri, May 17, 2013 at 11:06 AM, <dospicos at q.com> wrote:
>>
>> >
>> >
>> >
>> >
>> > HI All:
>> >
>> >
>> >
>> > I am looking for a source(s ) for mix 31 ferrites. Especially in the
>> > larger sizes, like the FT 240. I have tried the usual suspects . 
>> > Amidon,
>> > Digikey, Mouser, Lodestar Pacific, to no avail.
>> >
>> >
>> >
>> > Any leads will be appreciated, either on or off the list.
>> >
>> >
>> >
>> > 73 to all
>> >
>> >
>> >
>> > Dean  W5PJR
>> >
>> > Tijeras, NM
>> > All good topband ops know how to put up a beverage at night.
>> > _________________
>> > Topband Reflector
>> All good topband ops know how to put up a beverage at night.
>> _________________
>> Topband Reflector
>>
>
>
>
> -- 
> Tnx es 73
> Richard W7ZR
> www.w7zr.com
>
> *Be joyful in hope, patient in affliction, faithful in prayer*
>
>
> ------------------------------
>
> Message: 14
> Date: Fri, 17 May 2013 11:41:57 -0400
> From: "Charlie Cunningham" <charlie-cunningham at nc.rr.com>
> To: <dospicos at q.com>, <topband at contesting.com>
> Cc: lynne.frye at kregercomponents.com
> Subject: Re: Topband: RFI  ferrites
> Message-ID: <004201ce5315$13a0ffa0$3ae2fee0$@nc.rr.com>
> Content-Type: text/plain; charset="utf-8"
>
> Contact Lynne Frye at Kreger Components, Inc. Salem, VA.
>
> lynne.frye at kregercomponents.com
>
> They are a national distributor for Fair-Rite Products: I have used a LOT 
> of their products  over the years in my work, and a few (from the Designer

> Kits) in my ham radio balun, binocular transformers, baluns and RFI 
> suppression work! Excellent supplier and excellent products!! I'll be 
> really surprised if you can't find exactly what you need!! They DO have 
> larger sizes that work with RG-213 etc.. You can tell Lynne that I sent 
> you! (Don't have her phone number handy at the moment)
>
> See also their website, catalog and product line at 
> www.kregercomponents.com. Lynne can also point you to other distributors 
> for Fair-Rite products.  Feel sure that you won't be disappointed!
>
> Good luck and best regards!
>
> Charlie Cunningham, K4OTV
> Charles Cunningham, Jr. PE
>
> -----Original Message-----
> From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of 
> dospicos at q.com
> Sent: Friday, May 17, 2013 11:06 AM
> To: topband at contesting.com
> Subject: Topband: RFI ferrites
>
>
>
>
>
> HI All:
>
>
>
> I am looking for a source(s ) for mix 31 ferrites. Especially in the 
> larger sizes, like the FT 240. I have tried the usual suspects . Amidon, 
> Digikey, Mouser, Lodestar Pacific, to no avail.
>
>
>
> Any leads will be appreciated, either on or off the list.
>
>
>
> 73 to all
>
>
>
> Dean  W5PJR
>
> Tijeras, NM
> All good topband ops know how to put up a beverage at night.
> _________________
> Topband Reflector
>
>
>
> ------------------------------
>
> Subject: Digest Footer
>
> _______________________________________________
> Topband mailing list
> Topband at contesting.com
> http://lists.contesting.com/mailman/listinfo/topband
>
>
> ------------------------------
>
> End of Topband Digest, Vol 125, Issue 17
> ****************************************
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
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> 

All good topband ops know how to put up a beverage at night.
_________________
Topband Reflector