Topband: Broadband Inverted L

Charlie Cunningham charlie-cunningham at nc.rr.com
Thu Nov 20 16:44:45 EST 2014


Hi, Joe

I didn't have time to write you earlier. It was obvious that you had a lot
of ground loss in series with the radiation resistance of the inverted-L
that was swamping the reactance variation of the inverted  L.  You are
likely to be very pleasantly surprised at how effective two elevated
resonant radials at 5-6' can be! I did that for years - worked JA, VKs, VK6,
JT1, S79,many deep  European and Russians, lots of, LOTs of Pacific and
DXpeditons etc..  Of course you can also lay out some more radials from your
feed-point!  Good luck!  Have fun!  The taller vertical section will help a
lot! Mine was about 75 feet!

73,
Charlie, K4OTV

-----Original Message-----
From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of Joe
Galicic
Sent: Thursday, November 20, 2014 2:12 PM
To: Mike Waters
Cc: List, TopBand
Subject: Re: Topband: Broadband Inverted L

Thanks everyone ! Interesting. I knew something was not quite right. I
thought I could "tap" into the existing ground system but obviously that is
not going to be the case. I could manage two elevated radials pretty easily
but not at 10 ten feet. More like 6 feet off the ground mounted on my 6 foot
high wooden privacy fence. Can I lay down radials more over top of the old
ones? 


----- Original Message -----

From: "Mike Waters" <mikewate at gmail.com>
To: "List, TopBand" <topband at contesting.com>
Sent: Thursday, November 20, 2014 1:23:32 PM
Subject: Re: Topband: Broadband Inverted L 

Have you considered elevated radials? Four of them 10' high (or even two!)
would be MUCH better than what you have right now. 

My 160m Inverted-L: 
http://www.w0btu.com/160_meters.html#inv-l_antenna 

73, Mike
www.w0btu.com
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