Ed,
If your receive loop has a preamp at its feed point, its very likely that the preamp is being overloaded by the nearby BCB station. If that's the case, a filter after the preamp will not help. 73 Frank W3LPL ----- Original Message ----- From: "Edward" <navydude1...@yahoo.com> To: donov...@starpower.net Sent: Thursday, April 16, 2020 9:51:51 PM Subject: Re: Topband: BCB Filter Recommendation? Yes. I have a receive only loop. Thanks for the link. Will check it out. > On 17 Apr 2020, at 00:49, donov...@starpower.net wrote: > > Hi Ed, > > Do you currently route your 160 meter antenna through the receive only input? > If not, you must have the capability to do so to use this filter. > > This is by far the least expensive 160 meter receive filter and its rejection > at 1400 kHz is approximately 60 dB. But you have to build it yourself > from inexpensive components. Its a band pass filter so you'll need to > bypass it to operate on other bands. Countless hundreds of these > 160 meter filters have have been built. > > www.k1ttt.net/technote/w3lplfil.html > > 73 > Frank > W3LPL > > ----- Original Message ----- > > From: "Edward" <navydude1...@yahoo.com> > To: donov...@starpower.net > Sent: Thursday, April 16, 2020 9:35:34 PM > Subject: Re: Topband: BCB Filter Recommendation? > > I have receive-only inputs on my rigs. > > On 17 Apr 2020, at 00:07, donov...@starpower.net wrote: > > Hi Ed, > > Does your station layout allow you to use a receive only filter? > > 73 > Frank > W3LPL > > ----- Original Message ----- > > From: "Edward" <navydude1...@yahoo.com> > To: donov...@starpower.net > Sent: Thursday, April 16, 2020 8:36:59 PM > Subject: Re: Topband: BCB Filter Recommendation? > > > Thank you, Frank! > > > On 16 Apr 2020, at 22:06, donov...@starpower.net wrote: > > Hi Ed, > > What is the frequency of your local BCB transmitter? > > This is the best brickwall filter -- capable of handling 200 watts -- > that money can buy. Its provides at least 40 dB of attenuation below > 1700 kHz. Several PVRC members located within a few thousand > feet of a 50 KW 1500 kHz BCB transmitter use them with excellent > success. > > www.dxengineering.com/parts/dlw-fl1718 > > Less expensive filters work fine if your local BCB transmitter is below > 1500 kHz. You can save even more money if you can place the filter > before the receiver input to your radio, so the components don't have > to be rated for 200 watts. > > > 73 > Frank > W3LPL > > ----- Original Message ----- > > From: "Edward via Topband" <topband@contesting.com> > To: topband@contesting.com > Sent: Thursday, April 16, 2020 6:34:21 PM > Subject: Topband: BCB Filter Recommendation? > > Greetings, > > I am getting clobbered by a local BCB transmitter, making 160M unusable, even > with a dedicated RX antenna. > > As for filters, I have narrowed it down to the ICE and the Kiwa. Kiwa seems > to be the more serious filter, as they publish their specs in great detail. > ICE does not. > > Any other filter I should consider besides these two? > > Thanks, > Ed > 7Z1ES _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector