[1000mp] INRAD 125 hz filter

[Alex NE7L]

yeah, I remember it.
First time I saw it I started to think about filters and later decided to
ask the group.


----- Original Message ----- 
From: "Jay Bromley" <jayw5jay at cox.net>
To: <ne7l at hotmail.com>
Sent: Thursday, February 23, 2006 19:39
Subject: Fw: [1000mp] INRAD 125 hz filter


> Alex,
> Here is a post you may have miss a while back?
>
> 73 de jay..
> ----- Original Message ----- 
> From: "Earl W Cunningham" <k6se at juno.com>
> To: <1000mp at mailman.qth.net>; <n3xx at charter.net>
> Sent: Tuesday, February 07, 2006 6:53 PM
> Subject: Re: [1000mp] INRAD 125 hz filter
>
>
>> Tim, N3XX wrote:
>>
>> "Can anyone pass along your experience with the INRAD 125 hz 3rd IF
>> filter?"
>> ==========
>> I have the INRAD 125 Hz xtal filter in the 3rd (455 kHz) IF of my
>> FT-1000MP.  It was money well-spent, be cause it offers a dramatic
>> improvement in the ability to hear those extremely weak CW signals
>> (especially on 160 meters).  The improvement in S/N ratio is significant.
>>
>> I used the slot for the optional 2100 Hz SSB filter to install the 400 Hz
>> filter.  Nothing else was needed to do because it's all taken care of by
>> selecting the CW mode.
>>
>> I have 500 Hz filters in the 500 Hz slots, 250 Hz filters in the 250 Hz
>> slots, and the 125 Hz filter in the 2100 Hz 3rd IF slot.  I normally use
>> the 125 Hz filter with the 250 Hz filter (which is in the 8.215 slot).
>>
>> The front panel filter switching makes filter selection easy on my
>> original FT-1000MP.  If you have a MK V or a Field, then the MpFilters
>> freeware program by K6SE is almost mandatory.
>>
>> 73, de Earl, K6SE
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>
>