Make your own RF amp meter

[rick darwicki]

http://w5jgv.com/rfa-2/rfa-2.htm

Rick, N6PE
===============================================================
Remember, E = M * C^2 was not the entire equation.


--- On Sat, 3/7/09, topband-request at contesting.com <topband-request at contesting.com> wrote:

> From: topband-request at contesting.com <topband-request at contesting.com>
> Subject: Topband Digest, Vol 75, Issue 5
> To: topband at contesting.com
> Date: Saturday, March 7, 2009, 12:00 PM
> Send Topband mailing list submissions to
> 	topband at contesting.com
> 
> To subscribe or unsubscribe via the World Wide Web, visit
> 	http://lists.contesting.com/mailman/listinfo/topband
> or, via email, send a message with subject or body
> 'help' to
> 	topband-request at contesting.com
> 
> You can reach the person managing the list at
> 	topband-owner at contesting.com
> 
> When replying, please edit your Subject line so it is more
> specific
> than "Re: Contents of Topband digest..."
> 
> 
> Today's Topics:
> 
>    1. Balun in Carolina Windoms (Thomas Hoeppe)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sat, 7 Mar 2009 17:29:07 +0100
> From: "Thomas Hoeppe"
> <thomas.hoeppe at asamnet.de>
> Subject: Topband: Balun in Carolina Windoms
> To: <topband at contesting.com>
> Message-ID:
> <B45ECC84BD154F5CB014341A0740816F at Wohnzimmer>
> Content-Type: text/plain;	charset="iso-8859-1"
> 
> Hello!
> 
> Is there anyone using a Carolina windom on the lower bands,
> who made the 1:4 balun himself? I mean the "new
> version" using a coax up to the off-center dipole. As
> the vertical part, the coax between 1:4 balun and current
> choke, is also radiating, the balun should be non-isolating
> for RF, if I am right. So I think the right 1:4 balun design
> is an important thing in that case. Voltage or current type,
> 2 core guanella, iron powder or ferrite cores? I only found
> a description for QRP. I am looking for a legal limit
> experience. 
> I know it is a compromise antenna, but it fits in my small
> lot, where the support is off center, so I would like to
> give the antenna a try with a homebrew setup with parts from
> the junkbox.
> This type of windom antenna is not so common in EU. We had
> a "FD5" QRO windom (160m version) with massive
> balun at DL0AO, but RF on the cable was always a big
> problem. We burned several chokes, they just melted inside
> the coax, hi.
> 
> Thanks....Tom, DJ5RE
> 
> ------------------------------
> 
> _______________________________________________
> Topband mailing list
> Topband at contesting.com
> http://lists.contesting.com/mailman/listinfo/topband
> 
> 
> End of Topband Digest, Vol 75, Issue 5
> **************************************

-----------------------------------------------------------
This list is a public service of the City of Tempe, Arizona
-----------------------------------------------------------

Subscription control - http://www.tempe.gov/lists/control.aspx?list=BOATANCHORS
To post - BOATANCHORS at LISTS.TEMPE.GOV
Archives - http://lists.tempe.gov/archives/BOATANCHORS.html