Coax RF Choke/Balun

[Jastaples at aol.com]

I'm certain that within the recent past somewhere I saw an article about the
classic coax RF choke/balun so often recommended for yagis. I believe it
concluded that less turns was better. I also know that some believe that the
coiled coax should not be layered but kept in a single layer to isolate one
"end" from the other, contrary to what is usually done.

I'd appreciate knowing if anyone has a reference to the article, and if
anyone can confirm the single layer coil business.

Thanks, Joe, W5ASP

>From sawyers" <sawyers at cacd.rockwell.com  Tue Nov 14 16:25:41 1995
From: sawyers" <sawyers at cacd.rockwell.com (sawyers)
Date: Tue, 14 Nov 95 10:25:41 cst
Subject: No subject
Message-ID: <9510148163.AA816366446 at ccmgw1.cacd.rockwell.com>

My apologies to the net. My previous post was unintentionally and 
automatically UUEncoded. I am sure that this resulted in many of you 
hitting the delete message button. My thanks to those who so "kindly" 
pointed out the error in my ways.

My net work administrator has assured me that this will not happen again, 
so I am resubmitting my previous message.

Sorry for the wasted bandwidth.

de n0yvy steve

---------------forwarded message------------------------------------------

My brief two cents on the subject:

I think we are seeing the result of the computer revolution siphoning off 
the technically curious that had traditionally entered amateur radio. This 
started in the mid 70's and continues today. I also see the Internet and 
the World Wide web as competitors to HF in the neophytes eyes. The lure is 
that the WWW doesn't require a license and is about 10% of the cost of 
putting up a modest sized low power station with a tower.

I know this is what happened to me. I started into amateur radio 20 years 
ago and got side tracked into computers. I did everything from local BBS's 
to being a sysop for AOL. Now I am ready to try amateur radio again.

The other thing that is deterring significant participation is the 
extremely restrictive zoning and deed covenants, or, in the case of 
apartments or trailer parks, management restrictions, that cover most of 
the housing in this country. You can probably slip in something for six 
meters, two meters, or higher but you can't even think about a three 
element tribander. So if we do get them into the hobby, they have very 
limited incentive to upgrade because they can not effectively exercise 
their new privileges.

IMHO the only way to get new contestors is to take the SOB's (Shack On Belt 
- I am one of them) and get them involved with a contest effort. I know 
that is what got me hooked - now if I could just quit working 80 hours a 
week and had time to upgrade.

Sorry for the bandwidth.

de n0yvy steve

My company and I agree on at least one thing: My opinions are my own.


>From ac1o at sunken.gate.net (Walt Deemer)  Tue Nov 14 16:14:06 1995
From: ac1o at sunken.gate.net (Walt Deemer) (Walt Deemer)
Date: Tue, 14 Nov 95 11:14:06 EST
Subject: CQ Quiz
Message-ID: <9511141614.2vv6 at sunken.gate.net>

A little quiz to while away the pre-SS/CQ WW doldrums... 
 
The reason why CQ Contest costs $30/year and CQ VHF only $19.95 is: 
 
     A)  K1AR's expense account chits are *substantially* higher 
than the VHF editor's.  (Especially at Dayton.)  
     B)  "Hey; a round-trip ticket to Aruba ain't cheap" -- K3EST 
     C)  CQ Contest will be sent by first class mail.  
 
The correct answer, according to CQ's order desk, is "C" (although it 
is entirely possible that K1AR and/or K3EST got to them before I did). 
 
73 de Walt, AC1O/4            ;-), BTW, for the seriously H/I 

>From Tim Coad" <Tim_Coad at smtp.svl.trw.com  Tue Nov 14 17:36:46 1995
From: Tim Coad" <Tim_Coad at smtp.svl.trw.com (Tim Coad)
Date: 14 Nov 1995 09:36:46 -0800
Subject: JIDX Score de WC6H
Message-ID: <n1395780479.36175 at smtp.svl.trw.com>


15  354/45
20  193/43
40  169/38
80   21/15
-----------
    737/141 = 106032

Disappointing score.
Propagation poor but not as poor as score indicates.
Many times JA's would say I was 20 db over on 15,20,&40...but very few were
calling. 
BIG TNX to all that did!
Note: Cndx to JA on 75 were very very bad. Anybody know why?

Tim - NU6S


>From Danny Eskenazi <k7ss at wolfenet.com>  Tue Nov 14 17:50:31 1995
From: Danny Eskenazi <k7ss at wolfenet.com> (Danny Eskenazi)
Date: Tue, 14 Nov 1995 09:50:31 -0800 (PST)
Subject: Sports Illustrated
Message-ID: <199511141750.JAA00326 at wolfe.net>

FANTASTIC IDEA LEW!!!

what a HOOK!  sounds like you missed your calling in marketing or PR!

Now we need to find the conduit to the media...I know a few freelance
writers, but none in the sports field.
Anyone on here connected to the workl of publishing or media?

It might actually translate better these days as a TV piece.

If anyone is gonna pick up this thread and run with it, I would suggest
contacting the WRTC gang in SF, ie
W6OAT, W6QHS, K3EST and finding the media guy  for the event...seems like a
natural tie in.

73 de K7SS

Danny Eskenazi
At 06:11 PM 11/13/95 -0800, you wrote:
>Hi Gene,
>     Tnx for the offer. I fired off to you today a sase with a few bucks 
>to help out with the copying.
>     Wonder if an angle to approach Sports Illustrated with might be to 
>use Joe Rudy, NK7U, who was a great Baseball player as an example of a 
>player who has changed sports, but still competes?  You familiar with any 
>other wellknown ballplayers of any sport who also are contesters? Just an 
>idea..      73 and I remain,       Lew
>
>         Lew  Sayre   N7AVK               lew at teleport.com
>         P.O.Box  3110                    Fax 503-391-2258
>         Salem, Oregon 97302              160M thru 1296MHz
>
>
>


>From jreid at aloha.net (Jim Reid)  Tue Nov 14 18:00:40 1995
From: jreid at aloha.net (Jim Reid) (Jim Reid)
Date: Tue, 14 Nov 1995 08:00:40 -1000
Subject: Lack of a Horse!
Message-ID: <199511141802.IAA07301 at hookomo.aloha.net>

More information,  Tim.  Sure glad you are with UPS!

Just talked to the Kenwood Service Center in Long Beach.
It sounds as if the radio was dropped;  the right end sustained
the damage.  The guy was reading about the damage from
a computer screen;  he had not actually seen the rig,  but
he read off the damage as including:  sub-af gain,
notch,  cw pitch,  af and rf gain,  and slope tuning; these  are
all the radio controls on the right end (as viewd from
the front),   Sure sounds  to me like it fell,  or was dropped
and landed on that end of the box.  So UPS filed a report/
claim number:  431 0368.  Would be interesting to see the 
box, and its'  damage to determine how the radio,  surrounded
by styrafoam peanuts,  and wrapped in a water tight bag,  had
the force transmitted on to it.  I have shipped many times from 
Kauai via UPS,  as well as received all my shack gear
and both computers  via UPS,  and never has a box even
looked touched and certainly never any damage.

The guy at Kenwood says it is now between me and UPS
to determine responsibility;  sounds like I don't have much
chance.  UPS  statement to Kenwood is that the box was
"inadequately packed";  guess they figure it should withstand
being dropped off a belt or by a man carrying it,  to the concrete
floor,  or whatever,  and survive.  Well the UPS guy at Lihue seemed
satisfied, after he cut the box open,  added packing  and then sold
me the insurance.  So what is the insurance for,
who stands behind the insurance?   Sounds like it is pointless to
buy  it  if it doesn 't pay to fix a shipping accident  or replace a 
several  thousand dollar radio.  The fellow at Kenwood had no
estimate of the cost of repair,  but he thought that one was provided
to UPS.

73,   Jim,  AH6NB


>From Bob Patten <z002816b at bcfreenet.seflin.lib.fl.us>  Tue Nov 14 14:50:24 1995
From: Bob Patten <z002816b at bcfreenet.seflin.lib.fl.us> (Bob Patten)
Date: Tue, 14 Nov 1995 09:50:24 -0500 (EST)
Subject: Challenge in ARRL Ten Meter Contest
Message-ID: <Pine.3.89.9511140933.A15061-0100000 at bcfreenet.seflin.lib.fl.us>

Walt, After my humiliating defeat in last years Ten Meter Contest - your 
low power score skunked my high power score, I hereby offer to further 
embarrass myself by challenging you in this year's 10M Contest.  If you 
will again be running low power (I'd bet on that, too), I further offer 
you the same 1.5 mult that you and 'ZX agreed on for the CW Sweepstakes.
The standard Florida Contest Group award is also proposed, a pizza of 
your choice (my choice?) to be presented at a get-together of the FCG, 
wherever the next one might be..  Oh yes, I'm also assuming CW only but 
would be willing to change category if that is your pleasure.

Hey, we both gave "Mr. Unbeatable" a run for his money in the CW 
Sweepstakes, didn't we!  Wait'l next year!

		73,	BP, N4BP


Bob Patten
bobpatt at bcfreenet.seflin.lib.fl.us



>From Setzler" <setzler at c813.npt.nuwc.navy.mil  Tue Nov 14 13:07:40 1995
From: Setzler" <setzler at c813.npt.nuwc.navy.mil (Setzler)
Date: 14 Nov 1995 13:07:40 U
Subject: K1NG CQWW SSB M/S Score
Message-ID: <n1395767768.90144 at c813.npt.nuwc.navy.mil>

Better late than never.


            CQ WORLD WIDE DX CONTEST -- 1995

Call: K1NG                 Country:  United States
Mode: SSB                  Category: Multi Single

BAND     QSO   QSO PTS  PTS/QSO   ZONES COUNTRIES

160       49      115     2.35     13      43      
 80      180      465     2.58     19      80      
 40      196      544     2.78     27      95      
 20     1142     3232     2.83     40     154      
 15      871     2540     2.92     31     147      
 10       98      267     2.72     20      53     
   ------------------------------------------

Totals  2536     7193     2.82    150     572  =>  5,171,686

Ops:  KI1G, K1NG, KD1NG, WF1B, WA1G, WA1IML, MURPHY

Improved the score by 2M points over last year;  we were saying "let's see
KC1XX improve THAT much!"   Well .......  congratulations to the XX crew on a
nearly 3M improvement. 

73  James/kd1ng  


>From km9p at is.net (Bill Fisher, KM9P  Concentric Systems, Inc.)  Tue Nov 14 18:32:14 1995
From: km9p at is.net (Bill Fisher, KM9P  Concentric Systems, Inc.) (Bill Fisher, KM9P  Concentric Systems, Inc.)
Date: Tue, 14 Nov 1995 13:32:14 -0500
Subject: Asking for fills in CW SS
Message-ID: <199511141832.NAA21573 at mail1.is.net>

>On Mon, 13 Nov 1995 JPontek at aol.com wrote:
>
>> I have found that the "PWR?" works the best. It is not get PREC/SEC
>> confusion. If the chap tells you his actual power, you will know. It has
>> worked the best in the past for me.
>> 

When asking for:

PREC  send PWR?
SEC send QTH?
CK send YR?

This has worked for me the past 3 years.  You will cut down on your dit dit
dah dah dit dit's.

73



---
Bill Fisher, KM9P   -    Concentric Systems, Inc.  




>From Dr. Eugene Zimmerman" <ezimmerm at DGS.dgsys.com  Tue Nov 14 18:45:16 1995
From: Dr. Eugene Zimmerman" <ezimmerm at DGS.dgsys.com (Dr. Eugene Zimmerman)
Date: Tue, 14 Nov 1995 13:45:16 -0500 (EST)
Subject: CQ Quiz
Message-ID: <Pine.SOL.3.91.951114133110.15915A-100000 at DGS>

Walt

I think you do K1AR and K3EST a disservice.  I have know both these 
gentlemen for many years.

You say:

> The reason why CQ Contest costs $30/year and CQ VHF only $19.95 is: 
>  
>      A)  K1AR's expense account chits are *substantially* higher 
> than the VHF editor's.  (Especially at Dayton.)  

I have had many dinners with John Dorr at Dayton.  He eats the same cheap 
Chinese food that I do.  I've only recently met Rich Moseson, NW2L, the 
editor of CQ VHF but he does not look like a big spender, either.  

>      B)  "Hey; a round-trip ticket to Aruba ain't cheap" -- K3EST 

I thought Bob Cox went to Bonaire not Aruba.  As one who has known him 
since we were both graduate students at the University of Maryland, I can 
tell you that he lives a very frugal existance  -- I would readily grant 
him this one luxury.

>      C)  CQ Contest will be sent by first class mail.  

Now you're getting somewhere.  No 4th class boat mail for CQ!  They have 
a much higher opinion of the importance of CONTESTERS.

I do agree wholeheartedly, however, with what you say on your signature line
>            ;-), BTW, for the seriously H/I 

73  Gene  W3ZZ

DISCLAIMER:  I write a column for CQ CONTEST on vhf contesting -- or at 
least I did until Bob Cox sees this message.

>From Pete Rossi <wa3nna at resuba.com>  Tue Nov 14 19:51:35 1995
From: Pete Rossi <wa3nna at resuba.com> (Pete Rossi)
Date: Tue, 14 Nov 1995 14:51:35 -0500
Subject: Which 3-500Z's are best?
Message-ID: <199511141951.OAA19457 at resuba.com>

Figured this is the best place to ask this...

One of my original 25 year old Eimac 3-500's finally died shortly after the
start of the CQ WW last month.   I want to buy a new pair soon but I have
been hearing stories that Eimac tubes are not really made as well as they
used to be... and I may be better off buying Amprex tubes instead.

RF Parts has both for the same price.

To further complicate things, they (RF Parts) claim that the quality of the
foreign 3-500 has greatly improved over the past couple years and they offer
a better warranty with them.. at almost $100/pair cheaper than the Eimac.

So, which ones would I be better off with?   They will be used in a SB-220.

Are these new 3-500ZG worth the extra money?

---

Pete Rossi - WA3NNA
wa3nna at resuba.com