[Hallicrafters] HT-37 advice

Bill k2wh at optonline.net
Sat Oct 4 00:13:54 EDT 2003 

No advice on this except I am totally jealous.

K2WH

-----Original Message-----
From: hallicrafters-admin at mailman.qth.net
[mailto:hallicrafters-admin at mailman.qth.net]On Behalf Of Riley
Hollingsworth
Sent: Saturday, October 04, 2003 19:19 PM
To: hallicrafters at mailman.qth.net
Subject: [Hallicrafters] HT-37 advice


I'm picking up an HT-37, still in the box new from 1962.  Any suggestions on
the caps---should I just go ahead and replace them, or should I be bold and
bring it up with a variac, assuming no visible detioriation ?  -----
Original Message -----
From: <hallicrafters-request at mailman.qth.net>
To: <hallicrafters at mailman.qth.net>
Sent: Saturday, October 04, 2003 4:05 AM
Subject: Hallicrafters digest, Vol 4 #309 - 9 msgs


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> Today's Topics:
>
>    1. Need SX-71 xfmr (jh7hc at juno.com)
>    2. Re: Advice sought on antenna cable type (rjones at theofficenet.com)
>    3. International Harvester Mag. of Gatti's 12th Expidition To The
Mountains fo The Moon. (SGSII at msn.com)
>    4. Advice sought on antenna cable type (Kevin J Ward)
>    5. Re: International Harvester Mag. of Gatti's 12th Expidition To The
Mountains fo The Moon. (Duane Fischer, W8DBF)
>    6. Re: Advice sought on antenna cable type (Barrie Smith)
>    7. Re: Advice sought on antenna cable type (Ian Szekeres)
>    8. Remember Saturday HCI 40 Meter Net (Duane Fischer, W8DBF)
>    9. Re: Advice sought on antenna cable type (Glen Zook)
>
> --__--__--
>
> Message: 1
> Date: Fri, 3 Oct 2003 17:35:17 GMT
> To: hallicrafters at mailman.qth.net
> From: jh7hc at juno.com
> Subject: [Hallicrafters] Need SX-71 xfmr
>
>
> Desperately need power xfmr for SX-71. Cash or have many tubes and parts
to trade. Advise, Joe WS0E <heytubeguy>
>
> ________________________________________________________________
> The best thing to hit the internet in years - Juno SpeedBand!
> Surf the web up to FIVE TIMES FASTER!
> Only $14.95/ month - visit www.juno.com to sign up today!
>
> --__--__--
>
> Message: 2
> Date: Fri,  3 Oct 2003 14:42:42 -0700
> From: rjones at theofficenet.com
> To: Rodney Bunt <rodney_bunt at yahoo.com>
> Cc: Waldo Magnuson <magnuson at mac.com>, hallicrafters at mailman.qth.net
> Subject: Re: [Hallicrafters] Advice sought on antenna cable type
>
> Rodney,
>
> Use RG-58, it's what I've been using on my dipole for many years. At the
lower
> frequencies, loss isn't even an issue. If you were on 10 Meters and doing
a
> contest, I would suggest something better...
>
> Radio Randy
>
> Quoting Rodney Bunt <rodney_bunt at yahoo.com>:
>
> > RG-213 is almost as good as RG-8 and much lighter.
> >
> > At the frequencies (40m) and power (100W) that you are going to be
using,
> > RG-58 would be quite
> > sufficient.
> >
> > Yes, it is a bit more lossy, and yes, it won't handle a Kilowatt.
> >
> > But it is MUCH lighter, and MUCH MUCH cheaper.
> >
> > Rodney
> > VK2KTZ
> >
> > --- Waldo Magnuson <magnuson at mac.com> wrote:
> > > Hi,
> > >     I am about ready to put up a 40m dipole antenna between tall trees
> > > near my home.  The antenna will be up about 65 ft. (tall trees) and I
> > > am concerned with the coax weight from the antenna center to my house.
> > > RG-8 seems heavy, RG-8x has been suggested and Radio Shack has RG-8m.
> > > The leadin will be about 75 feet and I will be using my HT-37 (100
> > > watts) on the antenna.  I would appreciate experienced thoughts on the
> > > subject.  Thanks.
> > > Skip Magnuson
> > >
> > > _______________________________________________
> > > List Administrator: Duane Fischer, W8DBF **for assistance**
> > > dfischer at usol.com
> > > ----
> > > Hallicrafters Collectors International: http://www.w9wze.org
> > > ----
> > > http://mailman.qth.net/mailman/listinfo/hallicrafters
> >
> >
> > __________________________________
> > Do you Yahoo!?
> > The New Yahoo! Shopping - with improved product search
> > http://shopping.yahoo.com
> > _______________________________________________
> > List Administrator: Duane Fischer, W8DBF **for assistance**
> > dfischer at usol.com
> > ----
> > Hallicrafters Collectors International: http://www.w9wze.org
> > ----
> > http://mailman.qth.net/mailman/listinfo/hallicrafters
> >
>
>
>
> --__--__--
>
> Message: 3
> From: <SGSII at msn.com>
> To: <hallicrafters at mailman.qth.net>
> Date: Fri, 3 Oct 2003 18:08:35 -0500
> Subject: [Hallicrafters] International Harvester Mag. of Gatti's 12th
Expidition To The Mountains fo The Moon.
>
> I have ten of these that are in perfect condition. They were taken from =
> Gatti's attic by the man that currently owns the house. I will sell them =
> for $15.00 each which includes 1st Class postage in the 48 states.
>
> Kirt
>
> KC9CBY  73
>
> --- StripMime Report -- processed MIME parts ---
> multipart/alternative
>   text/plain (text body -- kept)
>   text/html
> The reason this message is shown is because the post was in HTML
> or had an attachment.  Attachments are not allowed.  To learn how
> to post in Plain-Text go to: http://www.expita.com/nomime.html  ---
>
> --__--__--
>
> Message: 4
> To: hallicrafters at mailman.qth.net
> Date: Fri, 3 Oct 2003 19:40:45 +0000
> From: Kevin J Ward <kevin_ward at juno.com>
> Subject: [Hallicrafters] Advice sought on antenna cable type
>
> Skip -
>
> Have you thought of the advantages of using twin-lead or open-wire line
> and a tuner?  The feedline would be much, much lighter, and would not
> drag the feedpoint of the antenna down nearly as much.  Less power would
> be lost in the feedline, the antenna would work well all across the band,
> and it would be useable on other bands as well.
>
> I have used homemade open wire line and have also used ordinary 300-ohm
> twin-lead.  The cheapest TV line available will easily handle the output
> of your HT-37.  Just remember to take a look in a Radio Amateur's
> Handbook and follow the recommendations there for reinforcing the
> feedpoint.  Coax is not the only feed-line.
>
> 73,
> Kevin  N2IE
>
> ________________________________________________________________
> The best thing to hit the internet in years - Juno SpeedBand!
> Surf the web up to FIVE TIMES FASTER!
> Only $14.95/ month - visit www.juno.com to sign up today!
>
> --__--__--
>
> Message: 5
> From: "Duane Fischer, W8DBF" <dfischer at usol.com>
> To: <SGSII at msn.com>, <hallicrafters at mailman.qth.net>
> Subject: Re: [Hallicrafters] International Harvester Mag. of Gatti's 12th
Expidition To The Mountains fo The Moon.
> Date: Fri, 3 Oct 2003 20:25:59 -0400
>
> OK, I plead dense as Plum Bum on this one. What does International
Harvester
> have to do with Hallicrafters? I thought they manufactured farm
implements.
>
> Enlighten me, what have I missed in the translation?
>
>
>
> ----------
> From: SGSII at msn.com
> To: hallicrafters at mailman.qth.net
> Subject: [Hallicrafters] International Harvester Mag. of Gatti's 12th
Expidition
> To The Mountains fo The Moon.
> Date: Friday, October 03, 2003 7:08 PM
>
> I have ten of these that are in perfect condition. They were taken from
Gatti's
> attic by the man that currently owns the house. I will sell them for
$15.00 each
> which includes 1st Class postage in the 48 states.
>
> Kirt
>
> KC9CBY  73
>
> --- StripMime Report -- processed MIME parts ---
> multipart/alternative
>   text/plain (text body -- kept)
>   text/html
> The reason this message is shown is because the post was in HTML
> or had an attachment.  Attachments are not allowed.  To learn how
> to post in Plain-Text go to: http://www.expita.com/nomime.html  ---
> _______________________________________________
> List Administrator: Duane Fischer, W8DBF **for assistance**
> dfischer at usol.com
> ----
> Hallicrafters Collectors International: http://www.w9wze.org
> ----
> http://mailman.qth.net/mailman/listinfo/hallicrafters
>
> --__--__--
>
> Message: 6
> From: "Barrie Smith" <barrie at centric.net>
> To: <hallicrafters at mailman.qth.net>,
> "Kevin J Ward" <kevin_ward at juno.com>
> Subject: Re: [Hallicrafters] Advice sought on antenna cable type
> Date: Fri, 3 Oct 2003 18:40:47 -0600
>
> I'd certainly second that recommendation.
>
> Put up the longest piece of wire you can, feed it in the center with
> open-wire line, use a truly balanced antenna tuner, then load up on any
> band.
>
> Works great for SWLing, too.
>
> Probably the best source for the necessary balanced antenna tuner is on
> Cebiks web page.
>
> 73, Barrie, W7ALW
>
>
> ----- Original Message -----
> From: "Kevin J Ward" <kevin_ward at juno.com>
> To: <hallicrafters at mailman.qth.net>
> Sent: Friday, October 03, 2003 1:40 PM
> Subject: [Hallicrafters] Advice sought on antenna cable type
>
>
> > Skip -
> >
> > Have you thought of the advantages of using twin-lead or open-wire line
> > and a tuner?  The feedline would be much, much lighter, and would not
> > drag the feedpoint of the antenna down nearly as much.  Less power would
> > be lost in the feedline, the antenna would work well all across the
band,
> > and it would be useable on other bands as well.
> >
> > I have used homemade open wire line and have also used ordinary 300-ohm
> > twin-lead.  The cheapest TV line available will easily handle the output
> > of your HT-37.  Just remember to take a look in a Radio Amateur's
> > Handbook and follow the recommendations there for reinforcing the
> > feedpoint.  Coax is not the only feed-line.
> >
> > 73,
> > Kevin  N2IE
> >
> > ________________________________________________________________
> > The best thing to hit the internet in years - Juno SpeedBand!
> > Surf the web up to FIVE TIMES FASTER!
> > Only $14.95/ month - visit www.juno.com to sign up today!
> > _______________________________________________
> > List Administrator: Duane Fischer, W8DBF **for assistance**
> > dfischer at usol.com
> > ----
> > Hallicrafters Collectors International: http://www.w9wze.org
> > ----
> > http://mailman.qth.net/mailman/listinfo/hallicrafters
> >
> >
>
>
>
> --__--__--
>
> Message: 7
> From: "Ian Szekeres" <ian at urbancom.net>
> To: <hallicrafters at mailman.qth.net>
> Subject: Re: [Hallicrafters] Advice sought on antenna cable type
> Date: Fri, 3 Oct 2003 21:35:17 -0500
>
> I'm about to do exactly this, as my matchbox just arrived today.  I was
> wondering before cutting my feedline to some random length, if anyone
could
> give some general length to start with.  I will be feeding a 60ft doublet
at
> 15ft. with 300 ohm twinlead and plan to work 40/20/15/10m. I am going to
be
> using a matchbox as a tuner into my ht-32b.  It is a relatively short run
to
> the shack (20-25 ft) and I am just looking for a ballpark number or
lengths
> to stay away from.  Any tips on using a matchbox with the 32b would also
be
> appreciated.
>
> Thanks
> --ian
> KB9TQO
>
> ----- Original Message -----
> From: "Barrie Smith" <barrie at centric.net>
> To: <hallicrafters at mailman.qth.net>; "Kevin J Ward" <kevin_ward at juno.com>
> Sent: Friday, October 03, 2003 7:40 PM
> Subject: Re: [Hallicrafters] Advice sought on antenna cable type
>
>
> > I'd certainly second that recommendation.
> >
> > Put up the longest piece of wire you can, feed it in the center with
> > open-wire line, use a truly balanced antenna tuner, then load up on any
> > band.
> >
> > Works great for SWLing, too.
> >
> > Probably the best source for the necessary balanced antenna tuner is on
> > Cebiks web page.
> >
> > 73, Barrie, W7ALW
> >
> >
>
>
> --__--__--
>
> Message: 8
> From: "Duane Fischer, W8DBF" <dfischer at usol.com>
> To: <hallicrafters at mailman.qth.net>
> Date: Fri, 3 Oct 2003 22:36:23 -0400
> Subject: [Hallicrafters] Remember Saturday HCI 40 Meter Net
>
>
>
> Please join us on Saturday October 4th for the HCI 40 meter Net. The
pre-Net
> will begin at 12:30 PM EDT, (1630 UTC). The Net itself commences at 1:00
PM EDT,
> (1700 UTC). The frequency will be 7.280 Mhz lsb +/- for key clicks, mike
> splatter and the sound of my toilet burping! Yes, thanks to the county
road
> commission and their scrub and paint eh inside of the sewer lines, we now
have
> porcelin thrones that talk to us. Just pull the handle down and wait to
see what
> happens as the water rushes out and the surprises rush in!
>
> The compressed air they are using is so powerful that when that mechanical
sewer
> rat of their's goes by the sewer outlet line from a house, it blows some
air up
> that pipe. The air is intended to cut roots off that have grown through
the
> concrete sides of the sewer pipes. Talk about a blast! If you have the
toilet
> seat and lid down, the air blows them up like a volcano going off, but
instead
> of red hot lava spewing into the atmosphere and sulfurous fumes choking
all life
> forms in a ten mile radius to death, you get pungent sewer gas and putrid
brown
> water splattering your walls and cieling! Where you do not want to be, is
> sitting on your throne when this happens! Guaranteed to cure constipation
for
> life!
>
> If you have never had this wonderful aplication of robotic sewer rat
technology
> in your community, just wait! It is coming. No, I am not inventing this,
it is
> for real.  When it first happened here I thought my toilet was possessed!
Water
> that would gag a bottom feeder was spewing out of my toilet, it was
roaring with
> this unearthly sound like some ravenously starving alien who had you on
his menu
> and the house smelled like one of those porta-johns at the county fair
after
> five hundred people had used it after the toilet paper ran out on a day
that was
> 100F outside and 135F inside!
>
> The toilet kept belching like a Brontosaurus who had eaten some bad fungus
> forlunch and spurting water out like one of those Yellowstone geysers.
Then it
> sounded like it was gargling with hydrogen peroxide, choked on the foam
and
> hurled the contents of its bowels over the smoked glass sliding shower
doors,
> splattered off the white tiled walls and then filled up the tub with a
foul
> liquid that would make one of those clay lined toxic land fill pools of
> industrial poison look like the YMCA anti-fungal foot bath! More
disgusting than
> waking up in the morning, looking in the mirror and seeing green moss like
crud
> dangling from your incisors! Should have brushed after eating that all
green
> vegetable pizza before going to bed!
>
> So be warned ye lovers of things that still go glow in the dark, that
weird
> background sound like a blender with a nitrous oxide booster kicking in is
just
> my toilet being tormented by the wonders of sewer cleaning technology that
is
> causing me to wear a path to the old Pine woods with my tattered Sears and
> Roebuck catalog. Yes I remember there is poison ivy out there not too far
from
> the forty foot TV tower that supports the IAC forty and eighty meter
double
> bazooka antennas, but a butt rash is better than having every hair on your
body
> being burned off by a blast of sewer gas that could defoliate N. Korea!
>
> I hope to hear some of you above the roar of this super sewer robotic
rodent, so
> take advantage of the good propagation being forecast for tomorrow and
join us.
> And I don't want any of those smart remarks tomorrow about my signal
stinking
> either! Maybe Mr. Robo-Rodentia will visit your neighborhood next. When it
does,
> an outhouse suddenly takes on an entirely new importance and actually
looks and
> smells appealing. Remember, I can find you on qrz.com and 'IT' is gps
guided.
> Not that I would accidentally reprogram its sewer trail trek map to your
house
> ..
>
> Duane Fischer, W8DBF
> NCS: Hallicrafters Collectors International
>
>
> --__--__--
>
> Message: 9
> Date: Fri, 3 Oct 2003 19:49:08 -0700 (PDT)
> From: Glen Zook <gzook at yahoo.com>
> Subject: Re: [Hallicrafters] Advice sought on antenna cable type
> To: Barrie Smith <barrie at centric.net>, hallicrafters at mailman.qth.net,
> Kevin J Ward <kevin_ward at juno.com>
>
> At 40 meters the loss in the feedline is basically nil
> (I know, there is always some, the most with RG58/U of
> the types mentioned, but for all practical purposes it
> can be ignored at 7 MHz).
>
> Now, if he is only interested in 40 meter operation,
> then he will be better off using coax since this will
> not require an additional piece of equipment (namely
> an "antenna tuner") in his shack.  An antenna tuner
> requires a "bit" of tuning and adds to the complexity
> of the the installation.
>
> If he is interested in adding 20 and 10 (15 meters
> will work automatically on a 40 meter dipole), then it
> would be cheaper just to add wires for 20 and 10
> meters in parallel with the 40 meter arrangement
> ("parallel" or "fan" dipole).  Those antennas work
> fine and are still fed directly with coax which
> matches the output impedance of the HT-37, thus,
> eliminating the need for an antenna tuner.  Around $5
> for the wire if he doesn't have it around!
>
> With the HT-37 you don't have to worry about the WARC
> bands or the new 60 meter band.  It doesn't work
> there!
>
> Glen, K9STH
>
>
> --- Barrie Smith <barrie at centric.net> wrote:
>
> Put up the longest piece of wire you can, feed it in
> the center with open-wire line, use a truly balanced
> antenna tuner, then load up on any band.
>
> =====
> Glen, K9STH
>
> Web sites
>
> http://home.comcast.net/~k9sth
> http://home.comcast.net/~zcomco
>
> __________________________________
> Do you Yahoo!?
> The New Yahoo! Shopping - with improved product search
> http://shopping.yahoo.com
>
>
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>
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> Hallicrafters at mailman.qth.net
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>
>
> End of Hallicrafters Digest


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dfischer at usol.com
----
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