[TowerTalk] Point me the way....

[Don Havlicek]

Or use 75 ohm coax and parallel two of them for a much closer match!
Don
N8DE

Clive GM3POI wrote:
> Even better still, I use parallel quarter wave transformers to match
> 12.5ohms to 50 ohms.
> So the only addition to the system is another length (about 90ft @ 1.8mhz)
> to put in parallel with the last 90ft of your 50 ohm feeder. No UNUNs,No
> networks to go wrong. Just a reliable 25 ohm quarter wave transformer. 73
> Clive GM3POI
> ----- Original Message -----
> From: "Jan Erik Holm" <sm2ekm at telia.com>
> To: <towertalk at contesting.com>
> Sent: Friday, December 19, 2003 3:10 PM
> Subject: Re: [TowerTalk] Point me the way....
> 
> 
> Instead use a stub. I´m sure you have some scrap
> RG213 around, a T-connector and some PL259´s,
> wouldn´t take more then an hour to fix.
> Or make the antenna slightly reactive (longer),
> put a variable capacitor in serie at feed point
> ant tune up.
> 
> 73 gl Jim SM2EKM
> 
> PS: How to design a stub match can be found in
> the ARRL handbook, works great, can handle lots
> and lots of power, doesn´t cost much money,
> for QROO use DIN 7/16 connectors and 7/8"
> hardline.
> -----------------------------------------------
> 
> 
> Lee Buller wrote:
> 
> 
>>Gentlemen and Ladies....
>>
>>Could someone point me to an article about UNUNs?  Web Page?
>>
>>I have an Inverted-L that seems to need one.
>>
>>Lee -K0WA
>>
>>_______________________________________________
> 
> 
> 
> 
> _______________________________________________
> 
> 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.
> 
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> _______________________________________________
> 
> 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.
> 
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