[Elecraft] KBPF3 answer

[Charles Harpole]

Great advice response and vy clear.... Answer is "no" the KBPF3 does not help the ham bands.
 
So, it is not a band pass filter in the usual sense of an ICE 419 which rejects sigs outside one ham band (switchable).  BIG thanks!!!!  73Charles Harpolek4vud at hotmail.com > Date: Tue, 19 Feb 2008 11:26:02 +0100> From: dj7mgq at muenchen-mail.de> To: k4vud at hotmail.com> CC: brett at livecomputers.com; plcmark at gmail.com; bill.kimura at gmail.com; elecraft at mailman.qth.net> Subject: Re: [Elecraft] KBPF3> > Hi Charles,> > > When I ordered my K3 and accessories I did not order the KBPF3 > > because I thot that was to add general coverage receive....> > Correct.> > > Now, I am thinking it is a bandpass filter to filter OUT non-ham > > band signals.> > No. It is a filter to allow non-ham frequencies.> > > > What is the function of the KBPF3?????????> > Take a look at:> > <http://www.elecraft.com/K3/K3FAQ.htm#KBPF3>> How is the KBPF3 bandpass filter used...> > <http://www.elecraft.com/K3/K3FAQ.htm#Subreceiver>> I'm still not clear on the general-coverage (GC) receive option...> > <http://www.nabble.com/The-KBPF3-is-not-a-roofing-filter----it%27s-an-RF-band-pass-filter-module-to13820837.html#a13820837>> The KBPF3 is not a roofing filter...> > <http://www.nabble.com/KBPF3-frequency-range-to14085227.html#a14085228>> KBPF3 frequency range...> > <http://www.nabble.com/Ham-bands-vs-GC-receive-to14075801.html#a14075839>> Ham bands vs GC receive...> > etc. etc. etc.> > > > Do u need one for both main and sub receivers?> > If you want good sensitivity outside of the ham bands on both receivers, yes.> > If you want good sensitivity outside of the ham bands on one RX, you > only need one KBPF3.> > If you are only want good sensitivity within the Ham bands, you do not > need the KBPF3.> > > vy 73 de toby>