[PCR-1000] PCR-1000 Front end overload

[DB Nicholson]

I'd like to build one - Can you provide coil dimensions/turns & cap values
for 1110khz?

----- Original Message ----- 
From: "Stewart Bryant" <stewart at g3ysx.org.uk>
To: <martin at classaxe.com>; "Discussion of PCR-1000 by Icom"
<pcr-1000 at mailman.qth.net>
Cc: "'DB Nicholson'" <d_nicholson at bellsouth.net>
Sent: Monday, September 06, 2004 12:48 PM
Subject: Re: [PCR-1000] PCR-1000 Front end overload


>
> An RC filter would not work well at those frequencies. You could make
> yourself
> a suitable LC filter, buy/build a preselector (an LC filter with an
> amplifier) or
> use a tuned antenna such a loop antenna.
>
> - Stewart G3YSX
>
>
> Martin Francis wrote:
>
> >Hi there Dave,
> >
> >I have a similar issue - I use my PCR to DX NDBs in the 198-520KHz band,
> >and without a lowpass filter I get far too much bleedthrough on the lower
> >frequencies.
> >
> >I'd like it if someone could suggest a way of having SEVERAL RC filter
> >shunts to kill each of my local offenders rather than attenuate the whole
> >band.
> >
> >Anyone know how to do this?
> >
> >
> >Martin Francis <><
> >=============================================================
> > NDBList:   Mapmaster, Country Co-ordinator and NDBRNA Editor
> > Location:  Richmond Hill, ON, CANADA / FN03GV
> > Antenna:   Twin K9AY 140' loops on 300 feet of coax
> > Receiver:  ICOM PCR1000 (2.8KHz filter) + DSP-599ZX
> > Software:  NDBWebLog, WWSU, Argo, Goldwave, SkySweep, NDBRNA
> > Beacons:   581 received since May 7, 2003
> >
> > Web Site:  http://www.classaxe.com/dx
> > NDB Log:   http://www.classaxe.com/dx/ndb/log
> > NDB Maps:  http://www.classaxe.com/dx/ndb/maps
> > NDBRNA:    http://www.classaxe.com/dx/ndb/ndbrna
> > NDBRE:     http://www.classaxe.com/dx/ndb/ndbre
> >=============================================================
> >
> >
> >-----Original Message-----
> >From: DB Nicholson [SMTP:d_nicholson at bellsouth.net]
> >Sent: Monday, September 06, 2004 12:10 PM
> >To: pcr-1000 at mailman.qth.net
> >Subject: [PCR-1000] PCR-1000 Front end overload
> >
> >I live less than 3 air miles from a 50kw AM station (WBT - 1110).  Front
> >end overload makes AM band reception useless.  I am using a longwire abt
> >30' above ground.  Radio is grounded using the house ground at power
meter.
> > Someone once suggested using an RC filter to shunt 1110 to ground, but
I'm
> >not sure what components to use, etc.  Any help would be appreciated!
> >TIA,
> >Dave
> >Charlotte, NC
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> >
> >
> >
> >
>
>