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

[Rev. Robert P. Chrysafis]

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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