[TowerTalk] Re: Hy Gain traps

Bill Marx bmarx at bellsouth.net
Wed Sep 1 19:38:24 EDT 2004


Having lived on a boat for a few years I like to use Bronze Wool. No
particles to rust.
Bill Marx W2CQ

----- Original Message ----- 
From: "Keith Dutson" <kjdutson at earthlink.net>
To: "TowerTalk" <towertalk at contesting.com>
Sent: Wednesday, September 01, 2004 11:30 AM
Subject: RE: [TowerTalk] Re: Hy Gain traps


> Excellent advice.  I concur.  Sam's Club has a good deal on Scotchbrite.
>
> Keith NM5G
>
> -----Original Message-----
> From: towertalk-bounces at contesting.com
> [mailto:towertalk-bounces at contesting.com] On Behalf Of W1GOR
> Sent: Wednesday, September 01, 2004 9:13 AM
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] Re: Hy Gain traps
>
> Jack,
>
> >>Clean them up with fine steel wool <<
>
> I suggest that you clean the aluminum elements with SCOTCHBRITE and NOT
> steel wool... Steel wool will leave steel particles, that will rust,
> embedded in the aluminum.  I use Scotchbrite pads and Noalox to treat
> telescoping aluminum junctions.
>
> 73, Larry - W1GOR
>
> ----- Original Message -----
> From: "Jack Schuster" <w1wef at intergate.com>
> To: <towertalk at contesting.com>
> Sent: Wednesday, September 01, 2004 9:27 AM
> Subject: [TowerTalk] Re: Hy Gain traps
>
>
> > I am not sure if you took the traps apart from your comments. You should
> > clean them up inside the cover, make sure the screws at the ends of the
> > coils are tight and not rusty. The screw that grounds the trap cover is
> > important too, as the capacitance between that cover and the winding is
> part
> > of the tuned circuit. I used to measure the impedance between the
> ungrounded
> > end of the trap cover and the element, with my Autek RF Analyst, and if
> both
> > were not the same I knew something was wrong with one or the other.
> > Telescoping elements can make poor contact too, especially if you didnt
> use
> > noalox or penetrox or the like. Clean them up with fine steel wool and
use
> > noalox available at Home Depot.   73   JACK W1WEF---- Original
> Message ----- 
> > From: <towertalk-request at contesting.com>
> > To: <towertalk at contesting.com>
> > Sent: Tuesday, August 31, 2004 9:33 PM
> > Subject: TowerTalk Digest, Vol 20, Issue 100
> >
> >
> > > Send TowerTalk mailing list submissions to
> > > towertalk at contesting.com
> > >
> > > To subscribe or unsubscribe via the World Wide Web, visit
> > > http://lists.contesting.com/mailman/listinfo/towertalk
> > > or, via email, send a message with subject or body 'help' to
> > > towertalk-request at contesting.com
> > >
> > > You can reach the person managing the list at
> > > towertalk-owner at contesting.com
> > >
> > > When replying, please edit your Subject line so it is more specific
> > > than "Re: Contents of TowerTalk digest..."
> > >
> > >
> > > Today's Topics:
> > >
> > >    1. Checking / Testing  traps?? (Mike Bragassa)
> > >    2. RE: snow static, Quad v. Yagi (David Robbins K1TTT)
> > >    3. Re: Quad vs SteppIR (Joe Giacobello)
> > >    4. Re: Rohn Tower Deliveries (W3YY)
> > >    5. Quads vs. SteppIR (RICHARD BOYD)
> > >    6. Re: snow static, Quad v. Yagi (Tom Rauch)
> > >    7. Re: snow static, Quad v. Yagi (Tom Rauch)
> > >
> > >
> > > ----------------------------------------------------------------------
> > >
> > > Message: 1
> > > Date: Tue, 31 Aug 2004 19:04:49 -0500
> > > From: "Mike Bragassa" <bragassa at consolidated.net>
> > > Subject: [TowerTalk] Checking / Testing  traps??
> > > To: <towertalk at contesting.com>
> > > Message-ID: <004d01c48fb7$4cd57060$6400a8c0 at DHFS7541>
> > > Content-Type: text/plain; charset="iso-8859-1"
> > >
> > > Re: HyGain TH-7DX, tribander
> > >
> > > I have an old TH-7DX that I am refurbishing. Everything has been
cleaned
> > up and now I have it mounted about 12 feet up the side of a tower...for
> > testing. I recall having a problem on 10m and want to check out those
> traps
> > before I do anything else with the antennae, whether it be sold or used.
> > >
> > > I have several questions relating to checking and tuning this
antennae:
> If
> > anyone can offer guidance; pick-off/merge the answers or comments.
> > >
> > > 1. How do you check an antennae with traps? Yes, I know the regular
way.
> > But if there is a problem how can you pinpoint the Pb.
> > >
> > > Parameters, so far, at 12 feet above ground, for adjustment purposes:
> > >
> > > I see acceptable VSWR's  15 and 20m, considering the current height
> above
> > ground, e.g. 2.5:1.
> > >
> > > But, on 10m, I see 3:1+++ VSWR, with no appreciable null above or
below
> > 10m. Lowest near-bye  VSWR  (null) was 27,440mhz with just a 3:1+ VSWR.
> > >
> > > 2. Can any of you please tell me something that can be determined from
> > these measurements? (re: traps)
> > >
> > > side note:
> > > This little jewel is 25 years old and is in immaculate condition. 14
> years
> > in Wyoming/Montana couldn't have hurt it, except for Chinook wind damage
> > risk,  and amazingly, 15 years in the humid/muggy/buggy, et al,   South
> > Texas environment apparently did not hurt it. I had not used any of the
> > special  lubricants between elements, etc, and everything came apart
clean
> > and shiny. The stainless steel nuts and  bolts, of course, were in nice
> > condition. I did oil them a bit before taking them loose to avoid any
> torque
> > damage. I recall that every time I moved, I had to replace too many S/S
> nuts
> > and bolts damaged from torque or galled threads.
> > >
> > > Of course the plastic trap caps and driven element(s)  insulators were
> > trash!
> > >
> > > Any help, tips or suggestions would be greatly appreciated !
> > >
> > > Mike Bragassa, K5UO
> > > Conroe, Texas
> > >
> > >
> > >
> > > ------------------------------
> > >
> > > Message: 2
> > > Date: Wed, 1 Sep 2004 00:12:08 -0000
> > > From: "David Robbins K1TTT" <k1ttt at arrl.net>
> > > Subject: RE: [TowerTalk] snow static, Quad v. Yagi
> > > To: <towertalk at contesting.com>
> > > Message-ID: <001101c48fb8$524b0860$0800a8c0 at k1tttibm>
> > > Content-Type: text/plain; charset="us-ascii"
> > >
> > > Of course the gradient is real, and very measurable... even in clear
> > > air.  Even with no storm around there is a gradient that can be easily
> > > measured and a current constantly flowing from the ground that can be
> > > measured.  I forget the exact values but the gradient is on the order
of
> > > .1 kv/m and current is couple pA/m^2. When a storm approaches this
> > > gradient gets much larger 10-20kv/m(? off the top of my head) and
causes
> > > the corona effects seen on towers and buildings and heard in radios.
> > > When a lightning leader approaches it increases even more until the
air
> > > breaks down and streamers form...  a nearby lightning discharge of
> > > course suddenly reduces the local gradient by neutralizing the pocket
of
> > > charge in the cloud that had formed, at least temporarily.  It should
be
> > > noted that even snow clouds can develop quite a charge separation,
> > > rarely enough to trigger lightning, but often enough to cause corona
on
> > > ground structures.  Dust and blowing snow can also create a charge
> > > gradient by the collisions with the ground and other particles (the
same
> > > mechanism that separates charge in a thunderstorm except there its
> > > between colliding ice crystals moving up and down).  Even the
turbulent
> > > flow of hot dust and gasses from volcanoes can cause enough charge
build
> > > up to cause lightning.
> > >
> > > Enough speculation... do some reading:
> > > http://ae.atmos.uah.edu/AE/abstracts/Latham64a.html
> > >
http://www.avalanche.org/~moonstone/issw%2094'/measurements%20of%20the%2
> > > 0electric%20field%20gradient%20in%20a%20blizzard.htm
> > > http://www.spacegrant.montana.edu/Text/SandStorm.html
> > > http://envsci.rutgers.edu/~veron/LightningNotes.pdf
> > >
> > > go google if you want more, there are thousands of them out there
along
> > > similar veins.
> > >
> > >
> > >
> > > David Robbins K1TTT
> > > e-mail: mailto:k1ttt at arrl.net
> > > web: http://www.k1ttt.net
> > > AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
> > >
> > >
> > > > -----Original Message-----
> > > > From: towertalk-bounces at contesting.com [mailto:towertalk-
> > > > bounces at contesting.com] On Behalf Of David Jordan
> > > > Sent: Tuesday, August 31, 2004 22:25
> > > > To: jimjarvis at comcast.net
> > > > Cc: towertalk at contesting.com
> > > > Subject: Re: [TowerTalk] snow static, Quad v. Yagi
> > > >
> > > > Interesting...here is some real world experience that might prove
> > > useful
> > > > for this discussion.
> > > >
> > > > I was talking to a ham last night about this thread and he is also
an
> > > > avid gas model airplane flyer.  He says when he was younger that he
> > > used
> > > > to use steel wires for control cables. Those wires were about
60-70ft
> > > > long. When storms were approaching he noticed that flying the plane
at
> > > > four or five feet above the ground was no problem but when he took
the
> > > > plane up to 50-60ft to perform loops, etc., a charge would build up
on
> > > > the pair of wires and zapp the pilot operator's hand.  SO, perhaps
> > > this
> > > > is another practical proof that the gradient is real and measurable
> > > (?)!
> > > >
> > > > 73,
> > > > dave
> > > > wa3gin
> > > >
> > > > jimjarvis at comcast.net wrote:
> > > > > Having  just spent time explaining to a guy named Yagi that his
name
> > > was
> > > > famous, I had two hours on trains to ponder the snow static thing.
> > > > > Because the quad avoids the corona problems of the yagi and lpda
at
> > > high
> > > > power and high altitudes, it is not unreasonable to think that that
> > > same
> > > > attribute of the closed loop would also reduce snow and rain induced
> > > > static at lower power levels.   Let me append a question mark to
> > > > that...I'd be interested in thoughts.
> > > > > I don't buy the "radome" effect notion, though.  I'm not made of
> > > > aluminum, but I can build up a lot of charge walking across a carpet
> > > in
> > > > New Mexico, and have an ESD event spanning close to an inch.  (> 1
> > > mile
> > > > above sea level).   Eventually, any charge buildup on the structure
> > > due to
> > > > moving snow or rain particles will have to be drained off.
> > > > > When that happens, what's the current path?   Down the conductors
to
> > > the
> > > > spool holding the BeCu tapes?   Is that grounded?   IF it's
grounded,
> > > then
> > > > it may bleed off continuously, as it would for plummer's delight
> > > yagis,
> > > > with grounded elements.  Somebody might want to ask the Mertel's.
I'm
> > > > sure they'll tell you.
> > > > > Which brings me to a corollary question...has anyone had
first-hand
> > > > comparison abilities between plummer's delight monobanders, and an
> > > array
> > > > with floating elements, like a kt34a, for example?   I'd be
interested
> > > in
> > > > the snow/rain static answer if so.
> > > > > I've heard the differences in snow static on tall arrays...where
the
> > > > higher antenna has been much noisier than the lower ones.   Pretty
> > > sure
> > > > that's true, although I'd like to see a theory as to why.
> > > > > OK...so much for questions from Tokyo.   Gotta get some bfst and
go
> > > to
> > > > work.
> > > > > N2EA
> > > > > _______________________________________________
> > > > >
> > > > > See: http://www.mscomputer.com  for "Self Supporting Towers",
> > > "Wireless
> > > > Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041
> > > with
> > > > any questions and ask for Sherman, W2FLA.
> > > > >
> > > > > _______________________________________________
> > > > > TowerTalk mailing list
> > > > > TowerTalk at contesting.com
> > > > > http://lists.contesting.com/mailman/listinfo/towertalk
> > > > >
> > > > _______________________________________________
> > > >
> > > > See: http://www.mscomputer.com  for "Self Supporting Towers",
> > > "Wireless
> > > > Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041
> > > with
> > > > any questions and ask for Sherman, W2FLA.
> > > >
> > > > _______________________________________________
> > > > TowerTalk mailing list
> > > > TowerTalk at contesting.com
> > > > http://lists.contesting.com/mailman/listinfo/towertalk
> > >
> > >
> > >
> > > ------------------------------
> > >
> > > Message: 3
> > > Date: Tue, 31 Aug 2004 20:32:18 -0400
> > > From: Joe Giacobello <k2xx at swva.net>
> > > Subject: Re: [TowerTalk] Quad vs SteppIR
> > > To: "Richard (Rick) Karlquist (N6RK)" <richard at karlquist.com>
> > > Cc: towertalk at contesting.com, Bill Ogden <ogden at us.ibm.com>,
> > > ABowenN4OO <abowen at nettally.com>, SteppIR at yahoogroups.com
> > > Message-ID: <41351892.8010409 at swva.net>
> > > Content-Type: text/plain; charset=us-ascii; format=flowed
> > >
> > > Rick, I'm not sure what you mean by directive, but there's no doubt
that
> > > quads have poorer F/B than Yagis.  Quads seem to have a very narrow
> > > frequency range over which the F/B peaks, but across the rest of the
> > > band it's at least 10 dB poorer than a Yagi, if not more.
Nevertheless,
> > > I am using a four element, five band quad on a 24 ft. boom, and the
> > > model shows that forward gain is at least equivalent to a three
element
> > > monoband Yagi on 20M and better on the higher frequency bands where
the
> > > boom length is longer.
> > >
> > > I am also not thrilled with the common feed approach that Mike uses.
> > >  Lew McCoy, in his review of LB quads indicated some interactions
> > > between harmonically related bands,  i.e. 10 and 20 meters, but I
> > > believe that the feed system has been modified since then.  I use
> > > separate feeds for each band via a remote switch and my experiences
have
> > > been excellent.  I have to admit that I've not done actual A/B testing
> > > on quads vs Yagis, but my on the air experiences indicate that they
are
> > > quite competitive.
> > >
> > > I use LB parts in my home-brew quads, and they are of excellent
quality.
> > >  Mike also gives attentive, personalized service.
> > >
> > > Finally, I would say that a multiband quad is an easy way to get the
> > > equivalent of  multiple monoband Yagis on a single, (relatively)
simple
> > > support structure.  There's a lot to be said for that.
> > >
> > >
> > > 73, Joe
> > >
> > >
> > >
> > > Richard (Rick) Karlquist (N6RK) wrote:
> > >
> > > >I have a Lightning Bolt quad and a 4 element SteppIR.
> > > >My experience is the same, the SteppIR is way more
> > > >directive than the quad.  Before the quad, I had a
> > > >KT34.  It was also more directive than the quad.
> > > >I only got the quad because it covered the WARC bands.
> > > >
> > > >Rick N6RK
> > > >
> > > >
> > > >
> > > >>Subject: [TowerTalk] Quad vs SteppIR
> > > >>
> > > >>
> > > >>I took down my Lightning Bolt quad, which had been on a 70 ft tower
> for
> > 9
> > > >>years. I replaced it with the 3 el SteppIR.
> > > >>
> > > >>The first thing I noticed on 20M, was that I had to point the
antenna
> in
> > > >>the direction I wanted to talk instead of just aiming it north
> > > >>
> > > >>
> > > >>
> > > >>
> > > >
> > > >_______________________________________________
> > > >
> > > >See: http://www.mscomputer.com  for "Self Supporting Towers",
"Wireless
> > Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with
> any
> > questions and ask for Sherman, W2FLA.
> > > >
> > > >_______________________________________________
> > > >TowerTalk mailing list
> > > >TowerTalk at contesting.com
> > > >http://lists.contesting.com/mailman/listinfo/towertalk
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > >
> > >
> > > ------------------------------
> > >
> > > Message: 4
> > > Date: Wed, 1 Sep 2004 01:03:05 -0000
> > > From: "W3YY" <w3yy at cox.net>
> > > Subject: Re: [TowerTalk] Rohn Tower Deliveries
> > > To: "TowerTalk List" <towertalk at contesting.com>
> > > Message-ID: <003b01c48fbf$70041de0$6601a8c0 at w3yy>
> > > Content-Type: text/plain; charset="iso-8859-1"
> > >
> > > This is indeed good news and I hope Rohn/Radian can reestablish the
> > > reputation formerly held by Rohn.
> > >
> > > Any observations on the dimensional accuracy and consistency of the
new
> > > products?  Do they fit together smoothly and without difficulty?  Are
> they
> > > straight?  Unfortunately, I know many who experienced problems with
the
> > > quality of production leading to the bankruptcy.
> > >
> > >
> > > ----- Original Message ----- 
> > > From: <TexasRF at aol.com>
> > > To: <towertalk at contesting.com>
> > > Sent: Tuesday, August 31, 2004 7:36 PM
> > > Subject: [TowerTalk] Rohn Tower Deliveries
> > >
> > >
> > > > I am pleased to report that at long last the Rohn/Radian order has
> been
> > > > delivered to Texas Towers.
> > > >
> > > > Model 25G was delivered last month and 45G and 55G was delivered
> today.
> > > The
> > > > galvanizing quality is excellent and appears to be very much equal
to
> > the
> > > > quality of past shipments from Rohn.
> > > >
> > > > Most accessories were also delivered, with the notable exception of
> TB3
> > > > Thrust Bearings. Apparently the tooling for the bearings was lost in
> the
> > > move
> > > > from Frankfort back to Peoria. I have been unable to get a delivery
> date
> > > for the
> > > > backordered bearings.
> > > >
> > > > The 25G shipment from last month is sold out but another delivery is
> > > > scheduled for mid September. Hopefully the supply of Rohn/Radian
items
> > > will even  out
> > > > with the next delivery and we can truly promise delivery from stock
> > > again.
> > > >
> > > > Please feel free to call 1 800 272 3467 or e-mail
> > _sales at texastowers.com_
> > > > (mailto:sales at texastowers.com)  to check on  availability and/or
> pricing
> > > of
> > > > Rohn/Radian products.
> > > >
> > > > Thanks/73,
> > > > Gerald Williamson, K5GW, General Manager/Texas  Towers
> > > > _______________________________________________
> > > >
> > > > See: http://www.mscomputer.com  for "Self Supporting Towers",
> "Wireless
> > > Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041
with
> > any
> > > questions and ask for Sherman, W2FLA.
> > > >
> > > > _______________________________________________
> > > > TowerTalk mailing list
> > > > TowerTalk at contesting.com
> > > > http://lists.contesting.com/mailman/listinfo/towertalk
> > > >
> > >
> > >
> > >
> > >
> > > ------------------------------
> > >
> > > Message: 5
> > > Date: Tue, 31 Aug 2004 21:07:33 -0400
> > > From: "RICHARD BOYD" <ke3q at msn.com>
> > > Subject: [TowerTalk] Quads vs. SteppIR
> > > To: "towertalk reflector" <towertalk at contesting.com>
> > > Message-ID: <BAY4-DAV30UjUwJ9SUO0001c0ad at hotmail.com>
> > > Content-Type: text/plain; charset="iso-8859-1"
> > >
> > > One or more people have mentioned their "quad" was not as directive as
> > their
> > > SteppIR.
> > > Since they did not mention how many elements their quad was, I assume
it
> > was
> > > a 2-element,
> > > in which case it's not surprising it didn't have great directivity.
>  73 -
> > > Rich, KE3Q
> > >
> > >
> > > ------------------------------
> > >
> > > Message: 6
> > > Date: Tue, 31 Aug 2004 21:25:05 -0400
> > > From: "Tom Rauch" <w8ji at contesting.com>
> > > Subject: Re: [TowerTalk] snow static, Quad v. Yagi
> > > To: <jimjarvis at comcast.net>, <towertalk at contesting.com>
> > > Message-ID: <005101c48fc2$83579900$6601a8c0 at akorn.net>
> > > Content-Type: text/plain; charset="iso-8859-1"
> > >
> > > > Because the quad avoids the corona problems of the yagi
> > > and lpda at high power and high altitudes, it is not
> > > unreasonable to think that that same attribute of the closed
> > > loop would also reduce snow and rain induced static at lower
> > > power levels.   Let me append a question mark to that...I'd
> > > be interested in thoughts.>>
> > >
> > > That's right. Whats good for corona on transmitting is often
> > > good for receiving.
> > >
> > > > I don't buy the "radome" effect notion, though.  I'm not
> > > made of aluminum, but I can build up a lot
> > >
> > > Take your hand and grap a spark plug wire. Now tough that
> > > same wire with a non-metalic chunk of fiberglass several
> > > inches or more long. Which passes the most charge through to
> > > your shoes and the ground?
> > >
> > > <<of charge walking across a carpet in New Mexico, and have
> > > an ESD event spanning close to an inch.  (> 1 mile above sea
> > > level).   Eventually, any charge buildup on the structure
> > > due to moving snow or rain particles will have to be drained
> > > off.  >>
> > >
> > > Why would it last until it hit the upper antenna, and then
> > > in 1% more distance vanish? Is that suddenly diminishing
> > > charge idea reasonable? I don't think so.
> > >
> > > Also we are stuck with the problem that rain, snow, and dust
> > > sound the same. None actually have to be incontact with the
> > > antenna to have the noise, and the particle contact rate
> > > does not track the amount of noise or the pitch of noise.
> > >
> > > >> Which brings me to a corollary question...has anyone had
> > > first-hand comparison abilities between plummer's delight
> > > monobanders, and an array with floating elements, like a
> > > kt34a, for example?   I'd be interested in the snow/rain
> > > static answer if so.
> > >
> > > All of my grounded element Yagis were every bit as bad as
> > > insulated element Yagis, but every antenna also has driven
> > > elements that are grounded.  Why would it make any
> > > dofference if the director or reflector was excited with
> > > noise, when the element with dorect coupling to the feedline
> > > is always grounded?
> > >
> > > The only thing that can possibly make a difference is if a
> > > blunt edge was the target rater than a point that protrudes
> > > outward a larger distance. Same thing that makes a quad less
> > > likely to have corona while transmitting works OK in this
> > > case.
> > >
> > > Say hi to Yagisan.
> > >
> > > 73 Tom
> > >
> > >
> > >
> > >
> > > ------------------------------
> > >
> > > Message: 7
> > > Date: Tue, 31 Aug 2004 21:29:55 -0400
> > > From: "Tom Rauch" <w8ji at contesting.com>
> > > Subject: Re: [TowerTalk] snow static, Quad v. Yagi
> > > To: "David Jordan" <wa3gin at erols.com>, <jimjarvis at comcast.net>
> > > Cc: towertalk at contesting.com
> > > Message-ID: <005e01c48fc3$30014200$6601a8c0 at akorn.net>
> > > Content-Type: text/plain; charset="iso-8859-1"
> > >
> > > > I was talking to a ham last night about this thread and he
> > > is also an
> > > > avid gas model airplane flyer.  He says when he was
> > > younger that he used
> > > > to use steel wires for control cables. Those wires were
> > > about 60-70ft
> > > > long. When storms were approaching he noticed that flying
> > > the plane at
> > > > four or five feet above the ground was no problem but when
> > > he took the
> > > > plane up to 50-60ft to perform loops, etc., a charge would
> > > build up on
> > > > the pair of wires and zapp the pilot operator's hand.  SO,
> > > perhaps this
> > > > is another practical proof that the gradient is real and
> > > measurable (?)!
> > >
> > > That's very true. My 300 ft high 160 dipole will charge
> > > enough to knock me on my butt in a slight breeze on a dry
> > > day!
> > >
> > > Not so with low antennas, no matter how long they are.
> > >
> > > Another good reason why high antennas have more corona in
> > > bad wx than low antennas. I'm getting a taste for Mexican
> > > beer.
> > >
> > > 73 Tom
> > >
> > >
> > >
> > >
> > > ------------------------------
> > >
> > > _______________________________________________
> > > TowerTalk mailing list
> > > TowerTalk at contesting.com
> > > http://lists.contesting.com/mailman/listinfo/towertalk
> > >
> > >
> > > End of TowerTalk Digest, Vol 20, Issue 100
> > > ******************************************
> > >
> >
> > _______________________________________________
> >
> > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with
any
> questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk at contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with
any
> questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk




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