Art,
I am convinced that you are experimenting in an area of antenna
practices that has been neglected... I am always interested in
advances on the art and practice of antennas... You hereby offered the
opportunity to drop by my qth with your reduced size 160 antenna... If
transportation is a problem I will fly my airplane to your area and
bring you back to Michigan, or arrange other transportation for you at
my expense...
I will personally mount your antenna at the top of a 150 foot tower
and we can measure the near field intensity and far field signal
strength developed by the antenna, compared to my normal size antennas
which are off another tower at a distance .. I am sure I can convince
a few of the regulars on here to be on the band and be ready to
participate with signal strength measurements, spectrum analyzers,
etc... This would form an excellent basis for an article for you to
publish - complete with reports from third parties - on a major
advance in the theory and practice of antennas...

If I am not convenient to you then I suspect that W8JI or others would
offer a similar testing range and I still would be happy to provide
transportation just to be a part of an exciting new chapter in radio
experimentation...


cordially,
denny - k8do

On 14 Feb, 04:28, Denny wrote:
Art,
I am convinced that you are experimenting in an area of antenna
practices that has been neglected... I am always interested in
advances on the art and practice of antennas... You hereby offered the
opportunity to drop by my qth with your reduced size 160 antenna... If
transportation is a problem I will fly my airplane to your area and
bring you back to Michigan, or arrange other transportation for you at
my expense...
I will personally mount your antenna at the top of a 150 foot tower
and we can measure the near field intensity and far field signal
strength developed by the antenna, compared to my normal size antennas
which are off another tower at a distance .. *I am sure I can convince
a few of the regulars on here to be on the band and be ready to
participate with signal strength measurements, spectrum analyzers,
etc... *This would form an excellent basis for an article for you to
publish - complete with reports from third parties - on a major
advance in the theory and practice of antennas...

If I am not convenient to you then I suspect that W8JI or others would
offer a similar testing range and I still would be happy to provide
transportation just to be a part of an exciting new chapter in radio
experimentation...

cordially,
denny - k8do

That is very kind of you but there is no need for any all out effort
regarding travel. What I will do is look around for some copper scraps
and make one for you and use the normal mail. Since I will probably
be
using scrap that I can find my guess is that it would behove you to
use
500 watts or less for your playing around.
I will send it off about 14 days or less from now and hopefully the
weather will be warmer for you.If I don't find any scraps then I will
send the one on the tower even tho it is not of the optimum design use
can use it as is on different bands. At the moment I am making one
that
can fit into a trouser pocket so that may be the one you get.
Best regards
Art Unwin

Denny wrote:
Art,
I am convinced that you are experimenting in an area of antenna
practices that has been neglected... I am always interested in
advances on the art and practice of antennas... You hereby offered the
opportunity to drop by my qth with your reduced size 160 antenna... If
transportation is a problem I will fly my airplane to your area and
bring you back to Michigan, or arrange other transportation for you at
my expense...
I will personally mount your antenna at the top of a 150 foot tower
and we can measure the near field intensity and far field signal
strength developed by the antenna, compared to my normal size antennas
which are off another tower at a distance .. I am sure I can convince
a few of the regulars on here to be on the band and be ready to
participate with signal strength measurements, spectrum analyzers,
etc... This would form an excellent basis for an article for you to
publish - complete with reports from third parties - on a major
advance in the theory and practice of antennas...

If I am not convenient to you then I suspect that W8JI or others would
offer a similar testing range and I still would be happy to provide
transportation just to be a part of an exciting new chapter in radio
experimentation...


cordially,
denny - k8do

I suggest that you take pains to make sure the feedline is well
decoupled - a couple of current baluns, one at the feedpoint and one a
quarter wave down the line, should be adequate. An extra measure would
be to measure the common mode feedline current to make sure it's
minimal. That would go a long way toward silencing critics (like me) who
believe that reported good results from such small antennas are often
the result of feedline radiation -- that is, that the feedline is the
primary radiator and the "antenna" plays only a minor role.

Roy Lewallen, W7EL

On 14 Feb, 12:08, Roy Lewallen wrote:
Denny wrote:
Art,
I am convinced that you are experimenting in an area of antenna
practices that has been neglected... I am always interested in
advances on the art and practice of antennas... You hereby offered the
opportunity to drop by my qth with your reduced size 160 antenna... If
transportation is a problem I will fly my airplane to your area and
bring you back to Michigan, or arrange other transportation for you at
my expense...
I will personally mount your antenna at the top of a 150 foot tower
and we can measure the near field intensity and far field signal
strength developed by the antenna, compared to my normal size antennas
which are off another tower at a distance .. *I am sure I can convince
a few of the regulars on here to be on the band and be ready to
participate with signal strength measurements, spectrum analyzers,
etc... *This would form an excellent basis for an article for you to
publish - complete with reports from third parties - on a major
advance in the theory and practice of antennas...

If I am not convenient to you then I suspect that W8JI or others would
offer a similar testing range and I still would be happy to provide
transportation just to be a part of an exciting new chapter in radio
experimentation...

cordially,
denny - k8do

I suggest that you take pains to make sure the feedline is well
decoupled - a couple of current baluns, one at the feedpoint and one a
quarter wave down the line, should be adequate. An extra measure would
be to measure the common mode feedline current to make sure it's
minimal. That would go a long way toward silencing critics (like me) who
believe that reported good results from such small antennas are often
the result of feedline radiation -- that is, that the feedline is the
primary radiator and the "antenna" plays only a minor role.

Roy Lewallen, W7EL- Hide quoted text -

- Show quoted text -

I understand all that. If Tom wishes to add one for his
own satisfaction that's fine by me.
If he wants to test it then I am confident he will do what
ever is necessary without comment from me.
I have no wish to influence him in any way. He cam make his own call
even if it means that it burns up. I have no experience with 180 M
and have only loaded it for 100W. As I have stated before, I have not
been active for years because of illnesses etc and I would not
presume
that Tom would need any assistance from a blithering idiot and
liar such as I.
W8TI Tom laughed his socks off when I mentioned resonant tank
circuits
in equilibrium and refused to give me any time for discussion.
On the other hand, Tom in Michigan has always been polite to me
and appears to have a genuine interest in new ideas, so I have
worked all day today in getting things together so I can get
one to him as quickly as possible.