[1000mp] Roofing filter

[Mike Kasrich]

I think my MK V came in as 11 from the factory.  I went down to 9 and 
now Im back at 11.

D. J. wrote:

>
> On 04, Jun 2005, at 14:50, Steven J Fraasch wrote:
>
>> Mike:
>>
>> I think you'll need to decrease gain, at least that is what a few  of us
>> did.  The INRAD instruction advices leaving it alone (if the 70 MHz  mod
>> was not done before), but my roofing filter added about 6 dB of gain;
>> therefore I reduced it.  I believe my menu 9-1 setting is "9".   Tim, 
>> K3LR
>> recommended setting it so that the S meter is the same as that of  
>> the sub
>> receiver.
>>
>> My stock radio came with 9-1 set to "13," I believe with the roofing
>> filter the front-end gain will be too high, and you will sustain  
>> loss in
>> IP34 and blocking dynamic range.  I usually operate my MK V in the IPO
>> position anyways; therefore, the extra gain would be unwanted.
>>
>>
>
>
> Mine also came with 13.  After the roofing filter install I set it to  
> 11.
>
> dj
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