[Elecraft] KBPF3 General Coverage Receive Option Questions

[Don Wilhelm]

Dave,

Since SW Broadcast signals are subject to fading, I would suggest you 
add the KBPF3 to both the main and the subRX to give you the capability 
of diversity reception.  If you only want to purchase one, I suggest 
that putting it in the main RX would make operation more straightforward 
(just turn off the subRX).

73,
Don W3FPR

On 2/12/2013 6:19 PM, David and Dianne on Comcast wrote:
> Hi All,
>
> This month I am celebrating my fifth anniversary with my K3. It has 
> performed flawlessly over this time …without a hiccup. My K3 was 
> purchased without the KBPF3 option in 2008.
>
> Like many of you, I started my radio adventures in 1962 at the age of 
> 12 as an avid SWL. I recently have become interested in SWL'ing once 
> again and though international broadcasting is not as it once was, I 
> find cruising these HF bands in Rx mode intriguing (probably my 
> attempt to regain an aspect of my youth at my now advancing age).
>
> After looking at the vintage general coverage radios available on eBay 
> etc., looking specifically for an SX-100 that I once owned 42 years 
> ago (or an SX-88....in my dreams) most seem either overpriced or in 
> questionable condition , I decided to try listening on the K3 in 
> several of the international broadcast bands that are near hams bands. 
> Boy was I pleasantly surprised. Using the 6 KHz AM filter in my K3, I 
> was rewarded with a great general coverage Rx capability and really 
> nice audio.
>
> So I am seriously considering ordering the KBPF3 option to install in 
> my K3. Here are my questions:
>
> --Which receiver is it preferable to install the KBPF3 into; the main 
> Rx or the sub Rx or does it matter? I do not want to degrade the main 
> receiver performance in the ham bands even slightly. And while l 
> strongly suspect it does not matter at all, I wanted to ask opinions 
> on this reflector first so I can install the thing only.... once.
>
> Also, do folks using the KBPF3 option prefer to use it with the 6 KHz 
> AM roofing filter or the 13 KHz FM roofing filter on SWL AM receive? 
> Any comments here would be appreciated.
>
> I think this was mentioned a few years back but I’ll chime in again 
> anyway.
>
> Elecraft could corner the general coverage receiver market by offering 
> an Rx version of the K3 (KR3?) targeting SWLs and a like. Once word 
> got out, I suspect that they they would dominate that market slice as 
> they are now doing with the ham market with the K3 and KX3.
>
> Thanks for any thoughts or suggestions.
>
> 73 de N1LQ-Dave
> K3# 371
>
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