[Kenwood] Modified VHF/UHF rigs

Sat Aug 20 23:35:24 EDT 2005

Wally, they are NOT preprogrammed for any of those out of bands 
frequencies.  You have to manually program them.  Also, I would suggest 
that you ask that question either to the FCC or Industry Canada.    Fern

----- Original Message ----- 
From: "Walter Daniels" <waldan at cox.net>
To: <kenwood at mailman.qth.net>
Sent: Saturday, August 20, 2005 9:14 PM
Subject: Re: [Kenwood] Modified VHF/UHF rigs

> Sounds logical but one question. If these radio are not designed to 
> operate on these bands then why do they program them into the chip and 
> lock them out with a simple easy to remove diode? Wouldn't it be 
> better to not program them in to begin with?
>
> Wally
>
> ----- Original Message ----- 
> From: "Fern Rivard" <crc at cyberlink.bc.ca>
> To: "Walter Daniels" <waldan at cox.net>; <kenwood at mailman.qth.net>
> Sent: Saturday, August 20, 2005 9:38 PM
> Subject: Re: [Kenwood] Modified VHF/UHF rigs
>
>
>> Wally:
>>    I much disagree with you statement. None of the ham radio vhf or 
>> uhf radio radios are designed for used in the commercial bands. For 
>> one thing, the PA module alone is designed for 144 to 148 mhz in the 
>> case of vhf radios. Also, when going above 160 mhz, most of those 
>> rigs the deviation will go way out of whack...........and rapidly 
>> increase to 7 or 8 khz with a fair amount of distortion. I have seen 
>> many of those rigs come in for repair with blown PA's only to find 
>> that they had opened the rig up to transmit out of band. Let's face 
>> it as you only get what you're paying for. The commercial rigs may be 
>> more money but heck the new ones now cover from 136 mhz to 174 mhz 
>> with excellent specs. I have only worked in mobile radio 
>> communications for over 45 years so I have a bit of an idea of what 
>> I'm talking about. Also, the commercial radios are now very 
>> reasonably priced so if one wants to operate "out of the amateur 
>> bands", spend the extra bucks and get a radio that's spec'd out to 
>> work properly right thru the whole band. I don't know if you have 
>> ever looked at the output of one of the ham band rigs on a spectrum 
>> analyzer when operated out of band but you will be surprised at all 
>> the garbage that is emitted on xmit when operated beyond it rated 
>> frequency range.  Just my 2 cents worth.
>>
>>    Cheers from Fern
>>
>>
>>
>>
>>
>> ----- Original Message ----- 
>> From: "Walter Daniels" <waldan at cox.net>
>> To: <kenwood at mailman.qth.net>
>> Sent: Saturday, August 20, 2005 6:14 PM
>> Subject: Re: [Kenwood] Modified VHF/UHF rigs
>>
>>
>>> Actually Darrell, you are incorrect in that statement. The radios 
>>> that are able to be modified for out of band TX are designed to TX 
>>> out of band or the capability would not be in the radio to be 
>>> brought out with a snip snip of a diode. Most ham radios are 
>>> designed for operation in many countries not just the United States. 
>>> In these countries they have different laws governing radio 
>>> operations . In many countries operating in these bands that are 
>>> illegal here are legal there so the radio manufacturers lock out the 
>>> functions that are illegal in the countries they are selling the 
>>> radio in hence the A and E designations on many radios with A being 
>>> America and E being Europe. So to be completely technical and in all 
>>> honesty the radios we buy here are already modified from the factory 
>>> and hams unmodified them back to original design specifications.
>>>
>>> Wally
>>>
>>>
>>> ----- Original Message ----- 
>>> From: "VA3DG" <va3dg at rogers.com>
>>> To: <kenwood at mailman.qth.net>
>>> Sent: Saturday, August 20, 2005 6:14 PM
>>> Subject: Re: [Kenwood] Modified VHF/UHF rigs
>>>
>>>
>>> Paul K4PDM, wrote in part:-
>>>
>>> ***Modifying rigs is one of the things hams traditionally 
>>> do.......***
>>>
>>> To which I reply, "I will never buy another used Amateur radio, for 
>>> fear that it has been 'modified'."
>>>
>>> I buy radios for what they're designed by the manufacturers' 
>>> engineers to do, not by what somebody thinks they should do and then 
>>> messes around internally with them.
>>>
>>> Cheers....
>>> Darrell
>>> VA3DG/VE3DDG
>>>
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>>
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>
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