Since in the past I noted that amateurs
preffered their antennas to be planar I thought
I would force Gaussian elements to be
constructed some what in line like a yagi
but ofcourse spacings will go where ever they want
to attain over all equilibrium.
The results are as follows when striving for
maximum gain. ( 14.25 Mhz)

# el boom lth inches gain dbi

2 125 12.85
3 454 14.96
4 460 14.85
5 451 14.98
6 448 14.89
7 440 15.18
8 441 15.20
9 434 15.18
10 434 15.13
A gaussian has a natural good reasonable front to back
so I left that out of the equation.
The above did not show any variation in band width ie
it stayed around 65 degrees so there is no focussing effect
around which a yagi is designed
As can be seen from the above, after you get a length of approx 34
feet
no amount of extra elements added is going to provide more gain
or change in radiated pattern and this pattern will be achieved
with as little as 3 elements.
A normal gaussian normally moves to a cubical volume similar
to a stacked arrangement while still only requiring a single feed
point so later I will take a look at that.
From the above one can see that approx 15 dbi is the most
that can be expected from a forced inline array with the pattern
of radiation staying constant showing that max efficiency has
been reached. I will leave it to others to give their take on the
above
listing.
Art

On 1 Jun, 08:03, art wrote:
Since in the past I noted that amateurs
preffered their antennas to be planar I thought
I would force Gaussian elements to be
constructed some what in line like a yagi
but ofcourse spacings will go where ever they want
to attain over all equilibrium.
The results are as follows when striving for
maximum gain. ( 14.25 Mhz)

# el boom lth inches gain dbi

2 125 12.85
3 454 14.96
4 460 14.85
5 451 14.98
6 448 14.89
7 440 15.18
8 441 15.20
9 434 15.18
10 434 15.13
A gaussian has a natural good reasonable front to back
so I left that out of the equation.
The above did not show any variation in band width ie
it stayed around 65 degrees so there is no focussing effect
around which a yagi is designed
As can be seen from the above, after you get a length of approx 34
feet
no amount of extra elements added is going to provide more gain
or change in radiated pattern and this pattern will be achieved
with as little as 3 elements.
A normal gaussian normally moves to a cubical volume similar
to a stacked arrangement while still only requiring a single feed
point so later I will take a look at that.From the above one can see that approx 15 dbi is the most

that can be expected from a forced inline array with the pattern
of radiation staying constant showing that max efficiency has
been reached. I will leave it to others to give their take on the
above
listing.
Art

Note I used the term BAND width above here I meant to say BEAM width.
Consequential bandwidth changes were not noted to minimise variables.
Art

On Fri, 01 Jun 2007 08:03:09 -0700, art wrote:

From the above one can see that approx 15 dbi is the most
that can be expected from a forced inline array with the pattern
of radiation staying constant showing that max efficiency has
been reached. I will leave it to others to give their take on the
above
listing.

Hi Art,

With 2 minutes of modeling (and using the only 3 element yagi model
offered by EZNEC for FREE), I got 15.14 dBi.

Why does a gaussian array need 10 elements to get less?

73's
Richard Clark, KB7QHC

On Fri, 01 Jun 2007 09:04:21 -0700, Richard Clark
wrote:

With 2 minutes of modeling (and using the only 3 element yagi model
offered by EZNEC for FREE), I got 15.14 dBi.

Add another minute, and I could raise it to:
15.23 dBi
no, no, another 15 seconds to get:
15.47 dBi

Do 10 element gaussian arrays have poor efficiency?

73's
Richard Clark, KB7QHC

On 1 Jun, 09:15, Richard Clark wrote:
On Fri, 01 Jun 2007 09:04:21 -0700, Richard Clark
wrote:

With 2 minutes of modeling (and using the only 3 element yagi model
offered by EZNEC for FREE), I got 15.14 dBi.

Add another minute, and I could raise it to:
15.23 dBi
no, no, another 15 seconds to get:
15.47 dBi

Do 10 element gaussian arrays have poor efficiency?

73's
Richard Clark, KB7QHC

3 elements does sound more efficient than 10 gassians
what woud the best 10 element gain look like?

On Jun 1, 10:05 am, art wrote:
On 1 Jun, 09:15, Richard Clark wrote:



On Fri, 01 Jun 2007 09:04:21 -0700, Richard Clark
wrote:

With 2 minutes of modeling (and using the only 3 element yagi model
offered by EZNEC for FREE), I got 15.14 dBi.

Add another minute, and I could raise it to:
15.23 dBi
no, no, another 15 seconds to get:
15.47 dBi

Do 10 element gaussian arrays have poor efficiency?

73's
Richard Clark, KB7QHC- Hide quoted text -

- Show quoted text -

"Richard Clark" wrote in message
...
On Fri, 01 Jun 2007 09:04:21 -0700, Richard Clark
wrote:

With 2 minutes of modeling (and using the only 3 element yagi model
offered by EZNEC for FREE), I got 15.14 dBi.

Add another minute, and I could raise it to:
15.23 dBi
no, no, another 15 seconds to get:
15.47 dBi

Do 10 element gaussian arrays have poor efficiency?

73's
Richard Clark, KB7QHC


Wouldnt it be nice if Art did the comparison. He could show how his gassian
antenna is better than a yagi. maybe he could find a 2 element antenna his
garison antenna is better than.

Jimmy D wrote:
"Wouldn`t it be nice if Art did the comparison?"

Yes. I thought a Gaussian was a 17-sided polygon.

Best regards, Richard Harrison, KB5WZI

(Richard Harrison) wrote in news:28667-46639927-
:

Jimmy D wrote:
"Wouldn`t it be nice if Art did the comparison?"

Yes. I thought a Gaussian was a 17-sided polygon.

heptakaidecagon?

73 de Mike KB3EIA -

"Richard Clark" wrote in message
...
On Fri, 01 Jun 2007 08:03:09 -0700, art wrote:

From the above one can see that approx 15 dbi is the most
that can be expected from a forced inline array with the pattern
of radiation staying constant showing that max efficiency has
been reached. I will leave it to others to give their take on the
above
listing.

Hi Art,

With 2 minutes of modeling (and using the only 3 element yagi model
offered by EZNEC for FREE), I got 15.14 dBi.

Why does a gaussian array need 10 elements to get less?

73's
Richard Clark, KB7QHC

Has there ever been a definition of a guassian array. From the best I can
figure ART just claimed it otbe a bunch of random lengths mounted on a boom
but every time I see a model he presents its just a mucked up yagi.

Jimmie