From: Jim Reisert (Jim_Reisert@mint-tech.com)
Date: Tue Jan 04 2000 - 15:06:25 CST
Hypermail 2b29 is crashing with a memory fault on the attached mbox
file. The problem occurs in message #10, which follows a previous
message containing an attachment.
I'm running on a BSDI BSD/OS 2.1 system.
Any help would be appreciated.
Thanks - Jim
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-- Jim Reisert Voice: 781-685-3928 Mint Technology Fax: 781-685-3801 77 South Bedford Street Email: jim_reisert@mint-tech.com Burlington, MA 01803 WWW: http://www.mint-tech.com/
>From owner-topband@contesting.com Sat Jan 1 06:32:28 2000
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From: "V.Kecman, Kele YU1AO/6" <kk@cg.yu>
To: <topband@contesting.com>
Subject: Topband: newcomer ain`t desperate
Date: Sat, 1 Jan 2000 01:59:51 +0100
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Hi again,
the antenna I came up with, using AO6.5 to model is an inverted-V, but
fed at one end against the ground, and the other end is grounded too. AO
shows pattern little better than inverted-L, (vertical polarization), 30
ohms driving point impedance, and the wire can be streched from the
nonmetal support 24m above gnd, at the roof of the house... This is kind
of half-loop. Right?
73 es HNY de Kele YU1AO/6, N2KAB, YT6O
SKY Contest Club (4O6A), www.ham.sky-sat.com
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>From owner-topband@contesting.com Sat Jan 1 06:32:52 2000
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From: Joe L Blackwell <aa4nn@juno.com>
To: topband@contesting.com
Date: Sat, 1 Jan 2000 05:27:11 -0500
Subject: Topband: Special Even Station WY2OOO
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CQ CQ CQ DE WY2OOO
This special event license, trustee W4VHF, was secured for the express
purpose of exchanging this call with stations around the world. Members
of the Carolina DX Association will be the participating stations, all
modes, all bands, throughout January 2000. A commemorative QSL card is
available, QSL Mgr is K4MQG. SASE appreciated, bureau cards will be
returned via the bureau.
Vy 73, de Joe AA4NN, CW Op on 40m and 160m for WY2OOO
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>From owner-topband@contesting.com Sat Jan 1 21:30:24 2000
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Date: Sat, 01 Jan 2000 18:44:19 -0500
To: topband@contesting.com
From: John Kaufmann <kaufmann@ll.mit.edu>
Subject: Topband: LP JA tonight
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HNY TopBanders!
The new millenium got off to a great start with some excellent conditions
today. Tonight around 2200Z, JA6BZI was heard on the long path from the SE
on 1910 kHz (QSX 1831). Unfortunately he didn't hear me! The tipoff were
the "beacons" I mentioned here recently. The JA BC station on 3925 and
North Korea on 2850 were booming in as loud as I have heard them this
season on the SE long path. Singapore on 3915 was also very strong tonight.
This morning just before local sunrise I worked KH2/K4SXT and JH0INP, both
on the SW skew path, which normally is a very marginal path from here in
eastern MA. JA0MVW and JA1CGM were also heard weakly on this path. Again
the beacons on 3925 and 2850 were exceptionally strong, this time from the
SW. (The good propagation this morning also extended to 80 meters, were I
worked 3W5FM on the SW LP for a new one on that band).
73, John W1FV
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>From owner-topband@contesting.com Sun Jan 2 06:41:04 2000
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Date: Sun, 02 Jan 2000 16:17:15 +0800
To: topband@contesting.com
From: Steve Ireland <sire@omen.net.au>
Subject: Topband: Beverage now too short?
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A couple of weeks ago, I received the bad news that my neighbour who lets
me run a Beverage onto her land had decided to move house. This meant that
the Beverage had got to go!
Its last serious engagement was the recent Stew Perry TBDC, in which it
often made the difference between reading a signal or losing a contact in
the summer atmospheric noise.
However, in its place, I have run another 'Stealth' Beverage which runs in
the same general direction, in a piece of public bush that lies adjacent to
her land. Where as my old 440' Beverage started off about WNW to ENE and
slowly veered in a slightly more southerly direction as it went onto her
land, the new one is about 60' shorter and holds the line WNW to ENE.
The only other physical difference between the two antennas is that the
last 180' or so of the new Beverage is made up of very thin black
plastic-coated hook-up wire - about 26 gauge and consisting of only a few
very thin strands of copper wire - in order that it is as invisible as
possible.
To my disappointment, the new Beverage (which actually consists of the
first 200' of the old Beverage) seems to give a noticeably lower output
than the old one and is hardly ever a better Rx antenna (in terms of signal
to noise) than my inverted vee dipole Tx antenna.
I am somewhat surprised at the difference in performance between the two
antennas and have put it down to the missing 60' or so in length. I am
also a bit concerned about the continuity of the hook-up wire on the new
Beverage, particularly when it tightens in the wind.
What do people out there think? Could my loss of signal/performance be
down to the reduction in length, poor continuity in the new Beverage end
section, or are the other factors I should consider?
At the moment, I have not looked at the matching of the new Beverage, which
is fed with the same 9:1 homebrew matching xfr as the old one, but I guess
checking/improving this could be an idea...
Both the old and new Beverage are unterminated. Signals on the new one
seem down in both a westerly and an easterly direction from the old one.
One interesting thing is that the new Beverage seems to work as well as the
old one did on 80m (output and s/n ratio-wise), making me think that for
some reason the new one is somehow too short for 160m.
Any ideas would be appreciated.
Vy 73,
Steve, VK6VZ
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>From owner-topband@contesting.com Sun Jan 2 06:41:12 2000
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Date: Sun, 02 Jan 2000 06:33:44 -0500
To: topband@contesting.com
From: abowen@nettally.com (Bowen, Arlan)
Subject: Topband: Diego Garcia/VQ9
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Dale, VQ9QM, reports some damage to an elevated radial and to their
Beverage. Both will be repaired in the next few days, but the (almost)
daily rain cycle has changed so that it has been raining hard during their
off duty hours.
Ron, VQ9DX, has been under the weather, so he has not been as active as
normal. His ship is in the lagoon, allowing more frequent operating
sessions. Ron will be returning stateside in a week or 2.
N6SS will be back to the area soon, so activity should continue.
VQ9QM will continue to be active on weekends until he returns stateside in
late Feb.
INK N4OO
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>From owner-topband@contesting.com Sun Jan 2 07:53:25 2000
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From: "Vic Lindgren" <vIc@anlaf.karoo.co.uk>
To: <topband@contesting.com>, "Steve Ireland" <sire@omen.net.au>
Subject: Re: Topband: Beverage now too short?
Date: Sun, 2 Jan 2000 12:27:29 -0000
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Steve I would def suspect that thin wire for a break.
It sounds soo thin it must be O/cct.
Or a join somewhere is duff.
See you in 2000
73 de Vic G4BYG
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>From owner-topband@contesting.com Sun Jan 2 21:15:32 2000
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Date: Sun, 02 Jan 2000 18:08:37 -0500
To: topband@contesting.com
From: John Kaufmann <kaufmann@ll.mit.edu>
Subject: Topband: More LP JA
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For the second consecutive day the long path to JA was open. I heard (but
did not work) JA4LXY on 1911.9 around 2200Z tonight via the SE long path.
Signals were in for about 5 or 10 minutes at 449. This is a very marginal
path which opens only very rarely. Again the "beacons" were exceptionally
strong tonight, especially North Korea on 2850 kHz. I'll continue
listening over the next two weeks, as we are probably at the seasonal peak
right now. After mid-January, the LP propagation to JA will drop off very
quickly.
73, John W1FV
P.S. John, let's hope it hangs in there for XZ0A...remember that the
S21XX guys worked a bunch of East Coast guys after 2300 UTC on Feb 4 in
1997...de W4ZV
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>From owner-topband@contesting.com Sun Jan 2 21:16:04 2000
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From: WD8DSB@aol.com
Message-ID: <0.a7b7c7db.25a13bc5@aol.com>
Date: Sun, 2 Jan 2000 18:39:49 EST
Subject: Topband: CFA actual pictures.
To: topband@contesting.com
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Top Banders,
I know everyone was interested in the CFA, and came across some pictures on
the internet of the MW stations using them. Thought it might be interesting
for everyone to see even though the prevailing thought is that they are
nothing special. I don't expect or want a response back from anyone, just
passing along the URL I ran across (don't recall if it had already been
posted).
http://www.antennex.com/preview/cfa/nab99cfa.htm
73's
Don Kirk (CW, till death do us part)
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>From owner-topband@contesting.com Mon Jan 3 06:43:18 2000
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From: "Jensen Family" <miltj@aepnet.com>
To: <topband@contesting.com>
Subject: Topband: XZ0A
Date: Sun, 2 Jan 2000 21:37:56 -0700
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Hello Top Banders,
Happy Y2K. One week from this moment the first wave of operators en
route to XZ0A will be over the mid-Pacific just 24 hours from the
promised land. A tremendous amount of planning and preparation have
gone into this upcoming operation from the first operation outside the
capital city of Yangon, the first ever Myanmar IOTA and the very first
outing of the XZ0 prefix.
The low bands will receive special treatment and Top Band operation
will be present every day from before sundown until after sunrise; short
path, long path, or skew path we will be ready. With approximately 24
days of actual on the air operation, we are confident a multitude of
stations will go into the Top Band log.
XZ0A will participate in the CQ WW 160 CW contest the last weekend
of January. May the propagation Gods bless us all.
The following URL is for the Press Release on the DX-pedition. It
presents a brief outline of the operation.
http://www.bramham.demon.co.uk/mynamar.htm
And this URL is for the XZ0A web site. It is complete with many
excellent links to the various subjects pertaining to the DX-pedition.
Pay particular attention to the outstanding propagation charts for all
bands.
http://www.getnet.com/~k7wx/myanmar.htm
CU all on THE BAND. 73 for now de Milt, N5IA and Robin, WA6CDR.
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>From owner-topband@contesting.com Mon Jan 3 10:26:24 2000
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From: "Tom Rauch" <w8ji@contesting.com>
To: <topband@contesting.com>, "Vic Lindgren" <vIc@anlaf.karoo.co.uk>
Date: Mon, 3 Jan 2000 10:20:53 -0500
Subject: Re: Topband: Beverage now too short?
Reply-to: W8JI@contesting.com
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I would reply to Steve direct, but his server kicks out e-mail as
"junk-mail".
A short Beverage really suffers when unterminated. That's because
the wire near the open end does nothing, there is no current flowing
into the open circuit......... so effectively the antenna is "shorter"
than a terminated wire the same length.
The longer the Beverage the more it "self-terminates", because of
coupling to the lossy earth below the wire and a much lesser
extent radiation. Models do not show this effect well.
Steve also could have a break in the wire.
The problem with any "less than ideal" antenna is subtle changes
can make the antenna appear to stop working. Models do a very
poor job of predicting real world wires near earth, and all the other
objects around the antenna don't help things.
73, Tom W8JI
w8ji@contesting.com
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>From owner-topband@contesting.com Mon Jan 3 13:42:45 2000
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Reply-To: "Maurizio Panicara" <i4jmy@iol.it>
From: "Maurizio Panicara" <i4jmy@iol.it>
To: <topband@contesting.com>, "Steve Ireland" <sire@omen.net.au>
References: <200001021141.GAA26744@contesting.com>
Subject: R: Topband: Beverage now too short?
Date: Mon, 3 Jan 2000 19:03:07 +0100
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It's no wonder for me because I always found that beverages much shorter
than one wavelength do not work.
You can try other transformer ratios to maximize the energy transfer from
the antenna to the line but I'm quite convinced the short wire, expecially
if not terminated, won't perform else than an odd piece of wire with a
strange impedance (the trasformed impedance of an open line is mainly a
reactive load) and you risk to worsen the situation on 80m where the antenna
instead might work as a beverage.
73,
Mauri I4JMY
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>From owner-topband@contesting.com Mon Jan 3 13:42:45 2000
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From: K3BU@aol.com
Message-ID: <0.8aee7a71.25a222bb@aol.com>
Date: Mon, 3 Jan 2000 11:05:15 EST
Subject: Topband: Top Band records updated
To: topband@contesting.com
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Top band records update includes now 1998 CQ WW and 1999 CQ 160m Contests.
Even at the high sunspots and lower Top Band activity few records were
broken. Check it out at:
http://members.aol.com/k3bu/160Records.htm
(Sri abt delay, finally got my lost Oct. and Dec. CQs)
Also one last call for any comments and suggestions for Tesla World Cup 2000
Rules (see simplified exchange). Inlcudes 160m - One Band category.
http://members.aol.com/k3bu/TeslaCup.htm
Happy 2000 and good Condx!
Yuri, K3BU
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