[50mhz] [Fwd: Re: Sample of 6m Antenna Comparison Table]
Carl
km1h at jeremy.mv.com
Thu Jan 22 22:07:17 EST 2009
It would help if the attachment had a recognizable file type.
I can provide data on my 8el conversion of the Cushcraft Boomer and some
others Ive developed on YO and then built and tested. These are all
older commercial antennas so dont know if it would interest anyone.
Carl
KM1H
----- Original Message -----
From: "Lance Collister" <w7gj at q.com>
To: "PNWVHFS" <PNWVHFS at googlegroups.com>; "50 MHZ Mailing List"
<50mhz at mailman.qth.net>; "Magic Band EME" <magic at 6meme.com>; "Rocky
Mountain VHF Plus" <rmvhf at rmvhf.org>
Cc: "VE7BQH" <ve7bqh at shaw.ca>; "Western States Weak Signal Society"
<wswss at mailman.qth.net>
Sent: Thursday, January 22, 2009 6:44 PM
Subject: [50mhz] [Fwd: Re: Sample of 6m Antenna Comparison Table]
> Hello!
>
> VE7BQH has very generously agreed to do computer modeling of a number
> of popular
> 6m antennas and prepare a table similar to the one that he developed
> some years
> ago to help 2m EME operators compare various 2m antennas and arrays.
>
> Much of the information currently available regarding 6m beams seems
> to be
> confusing and in different terms, making it difficult to make
> decisions regarding
> what antenna to use, and/or what antennas to stack and/or how to stack
> them for
> the highest gain. We would greatly appreciate it if you could
> provide any
> comments regarding the value of this project before Lionel proceeds
> any further.
>
> I promise to widely distribute the final product when it is finished.
> I look
> forward to your comments. Thank you very much for your input. VY 73,
> Lance
>
> -------- Original Message --------
> Subject: Re: Sample
> Date: Thu, 22 Jan 2009 19:54:28 +0000
> From: Lionel H. Edwards <ve7bqh at shaw.ca>
> To: w7gj at q.com
> References:
> <5.1.0.14.2.20090121031118.03462760 at shawmail.cg.shawcable.net>
> <5.1.0.14.2.20090120213738.03460d20 at shawmail.cg.shawcable.net>
> <5.1.0.14.2.20090120195304.03458500 at shawmail.cg.shawcable.net>
> <5.1.0.14.2.20090120175603.03459ec0 at shawmail.cg.shawcable.net>
> <5.1.0.14.2.20090120033704.03456ec0 at shawmail.cg.shawcable.net>
> <5.1.0.14.2.20090120033704.03456ec0 at shawmail.cg.shawcable.net>
> <5.1.0.14.2.20090120175603.03459ec0 at shawmail.cg.shawcable.net>
> <5.1.0.14.2.20090120195304.03458500 at shawmail.cg.shawcable.net>
> <5.1.0.14.2.20090120213738.03460d20 at shawmail.cg.shawcable.net>
> <5.1.0.14.2.20090121031118.03462760 at shawmail.cg.shawcable.net>
>
> Lance:
>
> Lets not concentrate on format for now.
>
> We, make that you need to concentrate on the data being useful on this
> band..
>
> I have filled in few more antennas to give better representation.
>
> I do not want to go any further without being SURE this will be
> meaningful
> to the 6M group. Even to do what I have done as a sample takes time.
> Therefore, I do not want to get down stream and find I have to make
> major
> changes.
>
> I need you to contact a reasonable sample of the 6M people to see if
> we are
> on the right track.
>
>
>
>
> At 04:26 AM 1/21/09 +0000, you wrote:
>>Lionel H. Edwards wrote:
>>>Lance:
>>>
>>>The problem is if I have to many lines across a row, it becomes a
>>>problem
>>>to print. The 144 table is already to long to print without altering
>>>the tabs.
>>>The last thought I sent you causes wrap around without changing the
>>>margins.
>>>
>>>It has to print on a 8.5" x 11" paper to be practical
>>>
>>>The information is not an issue
>>Can it be printed in a "LANDSCAPE FORMAT"? 73, Lance
>>
>>--
>>Lance Collister, W7GJ (ex: WN3GPL, WA3GPL, WA1JXN, WA1JXN/C6A,
>>ZF2OC/ZF8)
>>P.O. Box 73
>>Frenchtown, MT 59834 USA
>>QTH: DN27UB
>>TEL: (406) 626-5728 URL: http://www.bigskyspaces.com/w7gj
>>2m DXCC #11, 6m DXCC #815
>>
>>
>>
>>
>>
>>--
>>No virus found in this incoming message.
>>Checked by AVG. Version: 7.5.552 / Virus Database: 270.10.9/1900 -
>>Release
>>Date: 1/18/09 12:11 PM
>
> 73,
> Lionel, VE7BQH
> ve7bqh at shaw.ca
>
> --
> Lance Collister, W7GJ (ex: WN3GPL, WA3GPL, WA1JXN, WA1JXN/C6A,
> ZF2OC/ZF8)
> P.O. Box 73
> Frenchtown, MT 59834 USA
> QTH: DN27UB
> TEL: (406) 626-5728 URL: http://www.bigskyspaces.com/w7gj
> 2m DXCC #11, 6m DXCC #815
>
--------------------------------------------------------------------------------
> SIMULATIONS OF A 2 and 4
> BAY ARRAY
> OF YAGI ANTENNAS ON 6
> METERS
> 50.150 MHz
>
> [Opt Stacking]
> [75% Stacking]
> 1 Ant 4 Ant 2E ant 2V ant
> 4 Ant 2E ant 2H ant
> TYPE OF L GAIN E H Gain Gain Gain
> E H Gain Gain Gain Z
> ANTENNA (WL) (dBd) (M) (M) (dBd) (dBd) (dBd
> (M) (M) (dBd) (dBd) (dBd) (ohms)
>
> Cushcraft A50-3S 0.29 5.27 5.52 3.64 12.63 8.77 9.39
> 4.14 2.73 10.91 8.09 8.22 42.3
> Cushcraft A50-5S 0.59 7.57 6.52 5.11 14.21 10.77 11.04
> 4.89 3.83 13.08 10.37 10.54 40.3
> W5WVO CC A50-5S MOD 0.87 9.11 7.34 6.09 15.33 12.26 12.21
> 5.51 4.57 14.41 11.90 11.82 16.9
> M² 6M5X 0.91 9.42 7.65 7.07 15.66 12.59 12.60
> 5.74 5.30 14.91 12.20 12.34 11.7
> M² 6M7JHV 1.26 10.97 8.56 7.65 17.08 14.07 14.07
> 6.42 5.74 16.10 13.64 13.59 31.4
> YU7EF 9 2.16 11.83 9.18 8.30 17.90 14.89 14.92
> 6.88 6.22 16.84 14.44 14.37 52.7
> M² 6M9KHW 2.51 12.75 10.59 9.89 18.85 15.79 15.87
> 7.94 7.42 17.51 15.21 15.17 20.7
>
--------------------------------------------------------------------------------
> Moderator: Ray Brown, KB0STN
> _______________________________________________
> 50mhz mailing list
> Home: http://mailman.qth.net/mailman/listinfo/50mhz
> Help: http://mailman.qth.net/faq.htm
> Post: mailto:50mhz at mailman.qth.net
>
More information about the 50mhz
mailing list