On Wed, 2012-01-04 at 10:06 -0800, Rick Karlquist wrote:
> Bill Cromwell wrote:
>
> > meters). One of the problems with high levels of electrical noise is
> > overloading of the front end and blocking of the receiver. Therefore
> > noise that is not actually on or very nearly on your operating fre
ontesting.com [mailto:topband-boun...@contesting.com]
On Behalf Of Craig Clark
Sent: Wednesday, January 04, 2012 12:46 PM
To: topband@contesting.com
Subject: Topband: Xtal Filter
Tim and others,
What about the filter Sherwood sold for the "old" DX window 1825-1830??
Craig
Craig Clark K1
Message: 3
Date: Wed, 4 Jan 2012 09:38:35 +0800 (SGT)
From: Anton Moehammad
Subject: Topband: Xtal Filter
To: "topband@contesting.com"
Message-ID:
<1325641115.89785.yahoomail...@web190006.mail.sg3.yahoo.com>
Content-Type: text/plain; charset=utf-8
Hi everybody,
I be
Bill Cromwell wrote:
> meters). One of the problems with high levels of electrical noise is
> overloading of the front end and blocking of the receiver. Therefore
> noise that is not actually on or very nearly on your operating frequency
> jams you up. I am also investigating some of the loop ante
--- On Tue, 1/3/12, Tim Duffy K3LR wrote:
From: Tim Duffy K3LR
Subject: Re: Topband: Xtal Filter
To: "'Anton Moehammad'" , topband@contesting.com
Date: Tuesday, January 3, 2012, 9:16 PM
Hello Anton!
Here is a link to a 5 KHz 160 meter RX filter y INRAD. This may be what y
, January 03, 2012 7:39 PM
> To: topband@contesting.com
> Subject: Topband: Xtal Filter
>
> Hi everybody,
>
> I believe there is a 1825 KHZ xtal filter sell somewhere, can any body
> share their experience about put a narrow XTAL filter in front of their
> recv ?
Tried it a few years ago as an experiment. Broke the antenna coax center
lead and inserted the crystal. Worked great on one frequency. Would have
been even sharper with a crystal holder capacitance balancing circuit like
communications receiver xtal filters of the early years. One heck of a
r
and-boun...@contesting.com] On
Behalf Of Anton Moehammad
Sent: Tuesday, January 03, 2012 7:39 PM
To: topband@contesting.com
Subject: Topband: Xtal Filter
Hi everybody,
I believe there is a 1825 KHZ xtal filter sell somewhere, can any body share
their experience about put a narrow XTAL filter in front
On Wed, 2012-01-04 at 09:38 +0800, Anton Moehammad wrote:
> Hi everybody,
>
> I believe there is a 1825 KHZ xtal filter sell somewhere, can any body share
> their experience about put a narrow XTAL filter in front of their recv ? (CW
> works only)
>
>
>
> Ir Moeh AntonHendra
> Jambon Tengah
Hi everybody,
I believe there is a 1825 KHZ xtal filter sell somewhere, can any body share
their experience about put a narrow XTAL filter in front of their recv ? (CW
works only)
Ir Moeh AntonHendra
Jambon Tengah no 290 RT1/RW3
Magelang 56121
Indonesia
Mobile : +6285292611160
email : moe
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