[1000mp] W8JI INRAD roofing filter measurements

[Ron]

I was wondering is the NB  DSP  ?   I find it  hard to believe that a  
narrow filter  would have any effect of the NB.   I could see how the NB 
could be removing  IMD  if  it is DSP

Ron  WA0KDS


Lou wrote:

>Hi Jon,
>
>Have you considered trying the W8JI NB mod on the MP without the INRAD
>roofing filter? It's pretty easy to perform.  
>
>Lou W7HV
>
>-----Original Message-----
>From: 1000mp-bounces at mailman.qth.net [mailto:1000mp-bounces at mailman.qth.net]
>On Behalf Of w4ZW
>Sent: Wednesday, April 25, 2007 11:09 AM
>To: 'All about Yaesu 1000mp'
>Subject: RE: [1000mp] W8JI INRAD roofing filter measurements
>
> 
>Well, I have to chime in here. I have two FT-1000MP's, one with the roofing
>filter and one without.  In contest conditions, the roofing filter makes a
>marvelous difference in adjacent channel interference.  But that is the
>single most noticeable difference to my CW ears between the two MP's.
>
>
>Jon Hamlet,  W4ZW
> 
>Casey Key Island, Florida
>"A little piece of paradise in the Gulf of Mexico"
>
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