[1000mp] Roofing Filters

D. J. dalej2 at mac.com
Fri Dec 24 19:44:08 EST 2004


Family comes first Mike, I agree 100 percent.  All of this is far down 
the priority list.

Merry Christmas to all and to all a good night.

Dale, K9VUJ


On Dec 24, 2004, at 17:20, Mike Brown wrote:

> I'm sure there is a great benefit by using the Inrad roofing filter 
> during a contest. However, to say it is a "must" is a bit too much. 
> 1000 MP's have been used in contest for years without the Inrad 
> filter. Yes, it's something to put on the list if you can afford it, 
> but you'll also want to get at least 2 500khz filters if you do any cw 
> contesting. The 1000 MP is great without the roofing filter, and 
> probably "greater" with one. I intend on putting the roofing filter in 
> mine, but right now have other priorities. And I will be in the 
> contest without the roofing filter until I get a chance to get one. 
> Label the roofing filter, as "nice" or an "improvement", but it is 
> hardly a must if you already have your 500 or 400 hz crystal filters 
> in.
>
> The intent of this message was not to down play in any way the Inrad 
> roofing filter. It's just that it is not a "must", or 1000 MP's would 
> not have been sitting on the desk of  contesters for years.
>
> Mike, K9MI
> ----- Original Message ----- From: "Jon Kovacs" <jkovacs at neo.rr.com>
> To: <1000mp at mailman.qth.net>
> Sent: Friday, December 24, 2004 16:52 PM
> Subject: [1000mp] Roofing Filters
>
>
> Guys...    Like most of you, I have had my Mark V for several months.  
>  My contesting is mainly CQWW and ARRL DX contest, both modes.   
> Occasionally few other contest of interest.
>
> My rig is stock, with no filters.  Several of my contest club friends 
> have told me that the "roofing filter" is a must in this rig for 
> contesting???? My previous rig of many years was the Icom 756 PRO with 
> all the dsp goodies. I found the cw audio to be almost robotic in 
> sound.   Was not totally pleasing, especially after hours of 
> contesting.   But all in all, it was a great rig.
>
> I see in the mailing list that many have the same question about the 
> roofing filter as I do, and that is
> "will it really make that much difference?"      If so, how much does 
> it cost and where do I get it?    And most of all, is it idiot proof 
> for installation??
>
> Thanks to all
>
> JON k8ly
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