[TenTec] Omni VI roofing filter JPG

[jerry judy]

Steve, Could you please fill me in on roofing filter, what does it do for 
me,what are the results,etc KE8NP





----- Original Message ----- 
From: "Steve N4LQ" <n4lq at iglou.com>
To: <tentec at contesting.com>
Sent: Tuesday, January 11, 2005 8:09 PM
Subject: Re: [TenTec] Omni VI roofing filter JPG


> Be prepared to spend about $200. Small price to pay for an Omni VI+ +.
> You get to choose either the SSB or CW roofing filter. The CW filter is 
> 600hz wide. With the programing switches, you can make it kick in when 
> hitting either N-1, N-2 or either.
> It matters not if you have any filters in the option slots on the 9mhz 
> board.
> This thing installs at the very beginning of the 9mhz IF chain, just like 
> the Orion. After this filter, the signal hits the OEM 15khz wide filter, 
> which has an easy job now, then through the first IF amplifier, which is 
> now happy not to have so many sigs to amplify, an on to your optional 9mhz 
> filters.
> Steve N4LQ
> ----- Original Message ----- 
> From: "John L Merrill" <jmerrill1 at adelphia.net>
> To: <tentec at contesting.com>
> Sent: Tuesday, January 11, 2005 7:44 PM
> Subject: RE: [TenTec] Omni VI roofing filter JPG
>
>
>> what's the cost?
>>
>> -----Original Message-----
>> From: tentec-bounces at contesting.com
>> [mailto:tentec-bounces at contesting.com]On Behalf Of Steve N4LQ
>> Sent: Tuesday, January 11, 2005 7:38 PM
>> To: tentec at contesting.com
>> Subject: [TenTec] Omni VI roofing filter JPG
>>
>>
>> Here is the completed installation of the INRAD roofing filter. It mounts 
>> on
>> the final amp box toward the rear, bottom of the rig. Take a look.
>> Oh, It works too. I noticed no loss of gain or increase of noise. With it
>> engaged, the 250hz filters become slightly more effective. I have nothing 
>> to
>> measure BDR or IMD. The next contest will tell the story.
>> www.webham.com/INRAD
>>
>> Steve N4LQ
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