[NLRS] NLRS Digest, Vol 167, Issue 8

Art Howard k0kuk.vhf at gmail.com
Tue Mar 27 21:17:54 EDT 2018


 Ok... Well there is an antenna called an HDoublebay that I have had
success with on 2 and 6 so maybe I'll build a multi Bay version of that.
https://sites.google.com/site/wvfisher/hdoublebay

On 27 Mar 2018 8:07 pm, <nlrs-request at mailman.qth.net> wrote:

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> Today's Topics:
>
>    1. 432 beacon (Art Howard)
>    2. Re: 432 beacon (Paul Husby)
>    3. Re: 432 beacon (Mary Brown)
>    4. Re: 432 beacon (Dr. Gerald N. Johnson)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 27 Mar 2018 13:44:26 -0500
> From: Art Howard <k0kuk.vhf at gmail.com>
> To: nlrs at mailman.qth.net
> Subject: [NLRS] 432 beacon
> Message-ID:
>         <CAArOC-zJ3Z0JUSn=rKhNZKKtnHJW53EdovcUO+jgRsMsmop-jw at mail.
> gmail.com>
> Content-Type: text/plain; charset="UTF-8"
>
> Hello All,
>  I am toying with the idea of putting a 432 Beacon on the air from EN35DW.
>  Right now I have a single M2 9wl at about 20 feet horizontal and
> capability to run up to 100 Watts.
>  I do have a second 9wl but need a nonmetallic cross boom to stack them. If
> anybody has something like that let me know.
>   I have done some research and My thought is to head the antenna Southeast
> generally in the direction of Milwaukee, Madison,and Chicago (140?). That
> would intersect the main approach path to Minneapolis-Saint Paul Airport as
> well as departing traffic to the Northwest as they circle around to head
> for destinations anywheres from the Northeast to the southeast.  Probably
> would get quite a bit of aircraft scatter during peak times.
>  Any thoughts on this would be much appreciated as well as maybe suggested
> Beacon frequency.
>
> *73 Art  *K?KUK
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 27 Mar 2018 17:13:26 -0500
> From: Paul Husby <husby002 at gmail.com>
> To: NRLS Reflector <nlrs at mailman.qth.net>
> Subject: Re: [NLRS] 432 beacon
> Message-ID: <e3d47a89-4d6c-0902-7b7c-85209681d2ad at gmail.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> Hi Art!
>
> It would be nice to have another beacon on.? However, I think the 9wl is
> way too sharp.? Many people who would listen for it will be out of the
> path.? That antenna has a very sharp pattern - take a map and consider
> what you cover with 20 degrees;? beyond that your signal will be way
> down.? Yes, there may be a lot of aircraft in that pattern, but unless
> you want to do a study of aircraft scatter, the main purpose of a beacon
> is to indicate band openings.? For that, a much wider pattern is highly
> preferable. Sure there are not as many stations to the north and west,
> but people like VE4MA, K0AWU and NT0V will watch for your beacon
> religiously.
>
>  ? I would suggest asking around for one or preferably two horizontally
> polarized omnidirectional antennas.? I think there is a good chance that
> you will find someone willing to donate an antenna or two.? A stacked
> pair will give you some gain.? These antennas are not hard to build, and
> you will likely see some being tested on the antenna range at Aurora
> '18.? Others here on the reflector can suggest which design is best to
> build.
>
> We have 20 people registered so far for Aurora '18...? please register
> now at:? www.tinyurl.com/Aurora18
>
> 73
> Paul W0UC
>
>
> On 3/27/2018 1:44 PM, Art Howard wrote:
> >
> > Hello All,
> >   I am toying with the idea of putting a 432 Beacon on the air from
> EN35DW.
> >   Right now I have a single M2 9wl at about 20 feet horizontal and
> > capability to run up to 100 Watts.
> >   I do have a second 9wl but need a nonmetallic cross boom to stack
> them. If
> > anybody has something like that let me know.
> >    I have done some research and My thought is to head the antenna
> Southeast
> > generally in the direction of Milwaukee, Madison,and Chicago (140?). That
> > would intersect the main approach path to Minneapolis-Saint Paul Airport
> as
> > well as departing traffic to the Northwest as they circle around to head
> > for destinations anywheres from the Northeast to the southeast.  Probably
> > would get quite a bit of aircraft scatter during peak times.
> >   Any thoughts on this would be much appreciated as well as maybe
> suggested
> > Beacon frequency.
> >
> > *73 Art  *K?KUK
> > ______________________________________________________________
> > NLRS mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/nlrs
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:NLRS at mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
>
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 27 Mar 2018 17:17:55 -0500
> From: "Mary Brown" <maryalanab at gmail.com>
> To: "'NRLS Reflector'" <nlrs at mailman.qth.net>
> Subject: Re: [NLRS] 432 beacon
> Message-ID: <001201d3c619$755c1f50$60145df0$@com>
> Content-Type: text/plain;       charset="utf-8"
>
> Or maybe a stack of 4 six element cheap yagis(build 2 on one boom pointed
> away from each other to balance on the mast) http://www.fredspinner.com/
> W0FMS/CheapYagi/vjbcy.html aimed n, e, s, and w.4 element power divider
> for that frequency is small and easy to build.
>
> -----Original Message-----
> From: nlrs-bounces at mailman.qth.net [mailto:nlrs-bounces at mailman.qth.net]
> On Behalf Of Paul Husby
> Sent: Tuesday, March 27, 2018 5:13 PM
> To: NRLS Reflector
> Subject: Re: [NLRS] 432 beacon
>
>
>
> Hi Art!
>
> It would be nice to have another beacon on.  However, I think the 9wl is
> way too sharp.  Many people who would listen for it will be out of the
> path.  That antenna has a very sharp pattern - take a map and consider what
> you cover with 20 degrees;  beyond that your signal will be way down.  Yes,
> there may be a lot of aircraft in that pattern, but unless you want to do a
> study of aircraft scatter, the main purpose of a beacon is to indicate band
> openings.  For that, a much wider pattern is highly preferable. Sure there
> are not as many stations to the north and west, but people like VE4MA,
> K0AWU and NT0V will watch for your beacon religiously.
>
>    I would suggest asking around for one or preferably two horizontally
> polarized omnidirectional antennas.  I think there is a good chance that
> you will find someone willing to donate an antenna or two.  A stacked pair
> will give you some gain.  These antennas are not hard to build, and you
> will likely see some being tested on the antenna range at Aurora '18.
> Others here on the reflector can suggest which design is best to build.
>
> We have 20 people registered so far for Aurora '18...  please register now
> at:  www.tinyurl.com/Aurora18
>
> 73
> Paul W0UC
>
>
> On 3/27/2018 1:44 PM, Art Howard wrote:
> >
> > Hello All,
> >   I am toying with the idea of putting a 432 Beacon on the air from
> EN35DW.
> >   Right now I have a single M2 9wl at about 20 feet horizontal and
> > capability to run up to 100 Watts.
> >   I do have a second 9wl but need a nonmetallic cross boom to stack
> > them. If anybody has something like that let me know.
> >    I have done some research and My thought is to head the antenna
> > Southeast generally in the direction of Milwaukee, Madison,and Chicago
> > (140?). That would intersect the main approach path to
> > Minneapolis-Saint Paul Airport as well as departing traffic to the
> > Northwest as they circle around to head for destinations anywheres
> > from the Northeast to the southeast.  Probably would get quite a bit of
> aircraft scatter during peak times.
> >   Any thoughts on this would be much appreciated as well as maybe
> > suggested Beacon frequency.
> >
> > *73 Art  *K?KUK
> > ______________________________________________________________
> > NLRS mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/nlrs
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:NLRS at mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net Please help support this email
> > list: http://www.qsl.net/donate.html
>
> ______________________________________________________________
> NLRS mailing list
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> ------------------------------
>
> Message: 4
> Date: Tue, 27 Mar 2018 20:07:26 -0500
> From: "Dr. Gerald N. Johnson" <geraldj at netins.net>
> To: nlrs at mailman.qth.net
> Subject: Re: [NLRS] 432 beacon
> Message-ID: <5ABAEACE.3080400 at netins.net>
> Content-Type: text/plain; charset=UTF-8; format=flowed
>
> I have used a wooden wheel barrow handle (round on one end, square on
> the other) for a nonmetalic cross boom, and PVC pipe works for that. Its
> strongest with a wall for high pressure. I've used PVC to make a farm
> sprayer boom to spray a total width of 18 or 20 feet. Wasn't absolutely
> rigid but it worked on my farm.
>
> The M2 9wl is way too sharp for a beacon antenna or terrestrial
> contacts. I had an M2 5wl on 2m for a few years. I'd rotate it to peak a
> signal and then let the rotor brake latch and the Ham-M brake nearly
> always moved it significantly off the peak. The application where the
> 9wl is good is an array of 4 or 8 for EME. Two 9wl side by side would
> have about half the pattern width of the single.
>
> You do need an EME array to work N4PZ because he is using an EME array
> and off a few degrees your signal is down 15 or 20 dB.
>
> Stacked big wheels are way more appropriate for a beacon antenna or
> stacked Turnstiles. Stacked mobile halo loops could work too.
>
> 73, Jerry, K0CQ
>
> On 3/27/2018 1:44 PM, Art Howard wrote:
> >
> >
> > Hello All,
> >   I am toying with the idea of putting a 432 Beacon on the air from
> EN35DW.
> >   Right now I have a single M2 9wl at about 20 feet horizontal and
> > capability to run up to 100 Watts.
> >   I do have a second 9wl but need a nonmetallic cross boom to stack
> them. If
> > anybody has something like that let me know.
> >    I have done some research and My thought is to head the antenna
> Southeast
> > generally in the direction of Milwaukee, Madison,and Chicago (140?). That
> > would intersect the main approach path to Minneapolis-Saint Paul Airport
> as
> > well as departing traffic to the Northwest as they circle around to head
> > for destinations anywheres from the Northeast to the southeast.  Probably
> > would get quite a bit of aircraft scatter during peak times.
> >   Any thoughts on this would be much appreciated as well as maybe
> suggested
> > Beacon frequency.
> >
> > *73 Art  *K?KUK
> > ______________________________________________________________
> > NLRS mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/nlrs
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:NLRS at mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
>
>
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> End of NLRS Digest, Vol 167, Issue 8
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