I have the 400 and don't see the need for 250 ------Original Message------ From: Kjeld Holm Sender: elecraft-boun...@mailman.qth.net To: elecraft@mailman.qth.net Subject: Re: [Elecraft] [K3] Elecraft roofing filters Sent: Feb 5, 2009 11:27 AM
Dear all, Thanks for all the kind answers. Sorry for all that fuss. Somehow I mixed up everything so I ended up thinking of some nonsense like 1.0 kHz for SSB. :-o I will go for 250 Hz and 400 Hz for CW plus 2.8 kHz for SSB. And also filters for AM and FM. Vy 73 OZ1CCM Kjeld -----Original Message----- From: W0MU Mike Fatchett [mailto:w...@w0mu.com] Sent: 5. februar 2009 15:28 To: 'Kjeld Holm' Subject: RE: [Elecraft] [K3] Elecraft roofing filters They are available on the website. KFL3A-1.0K 1 kHz, 8-pole roofing filter 125.95 I have one in my K3 but I don't use it too much. You might want to use it over a 250 or 500 filter to listen to a pile up so you can hear if the station is working people above or below his frequency. I have listened to SSB a bit on the filter and while very narrow for SSB you can hear the station. The better question might be, what modes do you like to operate? I am about to order a second K3 and I was going to go with the following filters. 2.8 replacing the stock 2.7/ AM/ FM/ 400 or 500 and 250. If you never play to transmit on AM or want to do ESSB or FM those slots would be available. The K3 I have now has the 2.7 which is being replaced with the 2.8/1.8/1.0/400/200 in the main rcv, 2.8/400 in the sub. Mike W0MU "A slip of the foot you may soon recover, but a slip of the tongue you may never get over." Ben Franklin -----Original Message----- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Kjeld Holm Sent: Thursday, February 05, 2009 5:44 AM To: 'ElecraftList' Subject: [Elecraft] [K3] Elecraft roofing filters Dear all, In the "Roofing Filter Notes from Wayne and Eric" link on the Order page I see the two sentences: "Add narrower/wider filters as you prefer. I like to use the 1.0 kHz crystal filter when tuning a crowded band or listening to a pile up." Can anyone point me to a place that can tell me what "the 1.0 kHz crystal filter" is, where to obtain one and when it is worth using? Vy 73 OZ1CCM Kjeld ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Sent from my Verizon Wireless BlackBerry ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
