[BC] LPAM (was Smallest AM Radiator/TIS)

Rev. Robert P. Chrysafis kc8gpd
Fri Jul 14 10:46:23 CDT 2006


Here is a direct link to image file

http://part15.us/system/files?file=part15am.jpg

----- Original Message ----- 
From: "Rev. Robert P. Chrysafis" <kc8gpd at hotmail.com>
To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
Sent: Friday, July 14, 2006 11:40 AM
Subject: Re: [BC] LPAM (was Smallest AM Radiator/TIS)


> Well WSJL in Villas NJ(near the wildwoods) Ran a Hamilton mounted on a
50ft
> Rohn 25g Tower. he had as much of a radial system as his property size
would
> allow. he bonded them to his chainlink fence and the base of the tower. he
> got out during the daytime solid for 3 miles fringe out to 10 miles. he
> passed FCC inspection by the philly, pa feild agents.
> He has his instrucions posted here....
> http://www.am1000rangemaster.com/downloads.html most users just follow
> keith's instructions. I have come up with a optimal site design that
should
> pass. it is located here... http://www.part15.us/node/895/
>
>
>
> ----- Original Message ----- 
> From: "Bailey, Scott" <SBailey at nespower.com>
> To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
> Sent: Friday, July 14, 2006 11:23 AM
> Subject: RE: [BC] LPAM (was Smallest AM Radiator/TIS)
>
>
> Robert,
>    Can you run a "full ground" system with his box?
>
> Scott
>
> -----Original Message-----
> From: broadcast-bounces at radiolists.net
> [mailto:broadcast-bounces at radiolists.net] On Behalf Of Rev. Robert P.
> Chrysafis
> Sent: Friday, July 14, 2006 10:20 AM
> To: Broadcasters' Mailing List
> Subject: Re: [BC] LPAM (was Smallest AM Radiator/TIS)
>
> the keith hamilton units require a ground and it is stated in the
> instructions. it was certified at a FCC Testing Lab along with those
> instructions for type acceptance under part 15. their is over 1500
> rangemaster units running across the country using this configuration
> and
> passing FCC inspection.
>
> ----- Original Message ----- 
> From: "WLOYPROD WLOYPROD" <WLOYPROD at loyola.edu>
> To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
> Sent: Friday, July 14, 2006 11:06 AM
> Subject: RE: [BC] LPAM (was Smallest AM Radiator/TIS)
>
>
> > Scott,
> >
> > You can't legally (a) change the antenna or (b) use a ground system
> > with the 100mW units... both violate the Part 15.219 regs and the
> > certification on the unit.  What you can do, and many folks are doing,
> > is use more than one transmitter and synchronize them using the
> built-in
> > synch ports and a GPS system.  You can't really get 5 miles from one
> > transmitter LEGALLY, in any configuration, from any company, under
> Part
> > 15.  Tubes or not.
> >
> > John
> >
> > >>> "Bailey, Scott" <SBailey at nespower.com> 07/12/06 8:08 AM >>>
> > Paul,
> >   I talked to Keith Hamilton on the phone, and he has some clients
> > that
> > are getting up to 5 miles with his box.  You have to know what you're
> > doing to make it work. I know of one guy getting good coverage using
> > an
> > Omnia 3 processing, with a simple unipole type antenna and ground
> > system.
> >   I wished you could have met the late James Cunningham out Ada, Ok. I
> > didn't agree with using tubes, but James used a scheme that made part
> > 15
> > get out 5-6 miles just using whip antennas.
> >
> > Scott
> >
> > -----Original Message-----
> > From: broadcast-bounces at radiolists.net
> > [mailto:broadcast-bounces at radiolists.net] On Behalf Of Paul B. Walker,
> > Jr.
> > Sent: Tuesday, July 11, 2006 9:59 PM
> > To: Broadcasters' Mailing List
> > Subject: Re: [BC] LPAM (was Smallest AM Radiator/TIS)
> >
> > Scott:
> >
> > The AM1000 Rangemaster does nowhere near what a TIS does.
> >
> > If the AM1000 is tuned properly and has some processing behind it,
> > it'll get out about 1 mile soild in fair ground conductivity.
> >
> > If a TIS was tuned properly, had an efficent antenna and the audio
> > was better, it'd get out 5+ miles solid in decent groundcondiuctivity
> > areas.
> >
> > Paul
> >
> >
> >
> > On 7/11/06, Bailey, Scott
> > <<mailto:SBailey at nespower.com>SBailey at nespower.com> wrote:
> > Come to think of it, with this crazy petition that is out about LPAM,
> > why not give these people stations with 5-10 watts, or the field
> > strength limit of 2 mv/m @ 1.5 km, with an antenna no more than
> > 10-15'.
> > In rural areas, or small towns with no local AM station, that's plenty
> > to cover a small town, and even cover a high school football game.
> > IMHO...despite what some say, it's not going to cause nighttime
> > interference. I know Powell Way on this list will debate me tooth and
> > nail on this, but if that is the case, then Keith Hamilton's
> > Rangmaster
> > 1000, Part 15 box should be outlawed as well. It does almost as much
> > as
> > the TIS station's transmitter and antenna system. Now this idea would
> > serve a small community!
> >
> >
> >
> > _______________________________________________
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> >
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>
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