[Elecraft] K3s in WPX M/S - WOW!

[Bob Tellefsen]

Hi Vic
You didn't say, but I assume this is under the
most recent firmware download?
73, Bob N6WG

----- Original Message ----- 
From: "Vic K2VCO" <vic at rakefet.com>
To: "Bob Evans" <k5wa at comcast.net>
Cc: <elecraft at mailman.qth.net>
Sent: Tuesday, May 27, 2008 9:33 AM
Subject: Re: [Elecraft] K3s in WPX M/S - WOW!


> Bob Evans wrote:
> >   I
> > never thought I'd be so happy with a 150 Hz filter bandwidth.
Honestly, the
> > 100 Hz and 50 Hz bandwidths were useless though as the signal
level dropped
> > significantly.  It seemed much better a few firmware versions ago,
but 150
> > Hz worked fine for us...I was just getting "greedy" by trying to
use the 100
> > and 50 Hz BW.
>
> I have just found out that there is a bug that causes a gain
reduction
> just for these two bandwidths if they are set for FIR filters and
not IIR.
>
> You can fix it now by switching IIR ON, and when Elecraft fixes the
bug
> you can choose either IIR or FIR for these filters as you prefer.
>
> To switch between IIR and FIR, tap '7' on the keypad when you're in
any
> filter setup menu entry (e.g., CONFIG:FLx BW). You want it to say
IIR ON.
> -- 
> 73,
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco
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