[1000mp] MP/MV second RX Filter experiences

Wed, 10 Apr 2002 08:07:07 -0400

Dear Thomas, et. al.:
    Having only a 2.8 Khz filter in the subreceiver and trying to tune a big
CW pile up like Ducie Island to find the station working the DX is a
challenge.  Having a 500 Hz filter truly helps.  I purposely put the
mechanical filter in my FT-1000MP subreceiver so I actually hear about 600
Hz bandwidth.
    I typically use a 400 Hz INRAD filter for CW in the main receiver, with
option to put a 250 Hz filter in the 2nd IF at 8.215 Mhz.
    I hope this helps        73        George        K8GG

----- Original Message -----
From: "Thomas Rudolph" <[email protected]>
To: <[email protected]>
Sent: Wednesday, April 10, 2002 5:26 AM
Subject: [1000mp] MP/MV second RX Filter experiences


> Dear OM's ,
>
> as a new Mark-V owner I learned a lot about filters from you. Most of the
> mails where related to the main RX.
> My question is: What is your experience with narrow (500Hz) filter in the
> sub RX? Does it make sense?
> The background: The Mark-V don't have the stock 500hz filter for 3rd IF
> 455khz, but it is in the 2nd IF 8.2 MHz.
> So it makes no sense to replace it and move it to the sub rx, you have to
> buy an additional filter.
>
> Do you see any real advantage to have a 500Hz sub RX filter, maybe it
helps
> do dig the calling station from a pileup?
>
>
> Many thanks and best 73 de
>
> DK3DUA
> Thomas
>
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