[BC] Part 15 LPAM Question?

[Robert Meuser]

A link would be convincing


Dana Puopolo wrote:

>No, but I read the comparisons, and you can find them online.
>Someone tested them with a spectrum analyzer, scope and FI meter...
>
>-D
>
>------ Original Message ------
>Received: Sun, 10 Sep 2006 07:19:00 AM EDT
>From: Robert Meuser <Robertm at broadcast.net>
>To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
>Subject: Re: [BC] Part 15 LPAM Question?
>
>
>And you did head to head comparisons?
>
>R
>
>
>Dana Puopolo wrote:
>
>  
>
>>You can find the schematics and they ARE comparable....
>>
>>The 89 dollar kit is also available built for 160 bucks. It's also
>>synthesized.
>>
>>Building an AM transmitter is not black art. Matching it to an antenna isn't
>>black art either.
>>
>>If I owned one of these, I'd put the TX in a nice big metal box - along with
>>    
>>
>a
>  
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>>T network using nice big silver wound coils and a vacuum variable cap (we
>>    
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>all
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>>know where to find this stuff for practically nothing, don't we ;)
>>
>>I'd put a 102 inch CB whip (with spring) atop the cabinet, and stick the
>>    
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>whole
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>>thing 25 feet in the air (preferably 25 feet above a nice steel frame
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>buiding
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>>that the mounting pole is lightning grounded to with a nice wide strap).
>>
>>No "ground lead" would be used.
>>
>>-D
>>
>>------ Original Message ------
>>Received: Sat, 09 Sep 2006 08:03:59 PM EDT
>>From: WFIFeng at aol.com
>>To: broadcast at radiolists.net
>>Subject: Re: [BC] Part 15 LPAM Question?
>>
>>In a message dated 09/09/2006 3:52:00 PM Eastern Daylight Time, 
>>Robertm at broadcast.net writes:
>>
>> 
>>
>>    
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>>>I am not that sure that these units are in the rangemaster league.  
>>>There is a certain amount of 'black art' when it comes to matching a 
>>>legal antenna. Without looking at the schematics or at least the PC 
>>>board, it is hard to state with authority that these units are equal to 
>>>a Rangemaster. The only way to determine this would be a head to head 
>>>shootout.
>>>   
>>>
>>>      
>>>
>>Plus, the Rangemaster is Type Approved and is designed to be legal 
>>out-of-the-box. That's mostly what you're paying for. You know that if you
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>set
>  
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>>it up 
>>according to the manufacturer's guidelines, Uncle Charlie will give it the
>>green 
>>light. (If only P15 FM permitted as useful a signal as this.)
>>
>>I looked at the WEBsite for that $90 unit, and it looks like an all-day 
>>project just to make that antenna... plus, you don't have a guarantee of 
>>compliance. Still, $90 compared to $1,000?
>>
>>Willie...
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>>
>>
>>
>>_______________________________________________
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>>The BROADCAST [BC] list is sponsored by SystemsStore On-Line Sales
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>>
>>    
>>
>
>_______________________________________________
>
>The BROADCAST [BC] list is sponsored by SystemsStore On-Line Sales
>Cable-Connectors-Blocks-Racks-Wire Management-Test Gear-Tools and More! 
>www.SystemsStore.com       Tel: 407-656-3719    Sales at SystemsStore.com
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>_______________________________________________
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>The BROADCAST [BC] list is sponsored by SystemsStore On-Line Sales
>Cable-Connectors-Blocks-Racks-Wire Management-Test Gear-Tools and More! 
>www.SystemsStore.com       Tel: 407-656-3719    Sales at SystemsStore.com
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>