[PCR-1000] PCR-1000 Front end overload
Stewart Bryant
stewart at g3ysx.org.uk
Mon Sep 6 12:48:32 EDT 2004
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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