[Elecraft] K3 for Broadcast Band DX

[Carl Jón Denbow]

Thanks, Joe.  I knew there was some logical explanation.  I did do a 
search of previous posts before I asked my question and I didn't find 
any post that was the direct answer I needed.

73,

Carl
N8VZ

> Joe Subich, W4TV <mailto:lists at subich.com>
> Monday, June 8, 2015 3:25 PM
>
>> Therefore, at this juncture, the K3 is totally not up to the job when
>> it comes to broadcast band DX hunting. What's up here?
>
> As documented here literally dozens of times, the TR switch contains a
> high-pass filter with a 1600 KHz cutoff to protect the PIN diodes and
> keep them from generating interference due to strong broadcast band
> signals.  If you want to receive the broadcast (and MW bands) with full
> sensitivity, 1) install the BPF3 receive filter *and* 2) use a separate
> receive antenna connected to either the RX ANT IN jack or the XVTR IN
> jack.
>
> 73,
>
>   ... Joe, W4TV
>
>
> On 2015-06-08 3:04 PM, Carl Jón Denbow wrote:
>> I sometimes like to do a little Broadcast Band DX, takes me back to my
>> high schools days with my GE transistor radio under the pillow.  I think
>> some of you know the story. ;-)  At any rate, I have the general
>> coverage module installed in the main receiver, but I have found the
>> sensitivity of it in the broadcast band to be horrible.  I can hook up
>> my Palstar R40 and get a 40 over signal from a station, but with the K3
>> hooked up to the same antenna that station is an S4  --  just barely
>> over the noise level.  This is a station 100 miles way that I could
>> receive on that old GE transistor radio at what would have at least been
>> an S9 signal.  Therefore, at this juncture, the K3 is totally not up to
>> the job when it comes to broadcast band DX hunting.  What's up here?
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> Carl Jón Denbow <mailto:carl at n8vz.com>
> Monday, June 8, 2015 3:04 PM
> I sometimes like to do a little Broadcast Band DX, takes me back to my 
> high schools days with my GE transistor radio under the pillow.  I 
> think some of you know the story. ;-)  At any rate, I have the general 
> coverage module installed in the main receiver, but I have found the 
> sensitivity of it in the broadcast band to be horrible.  I can hook up 
> my Palstar R40 and get a 40 over signal from a station, but with the 
> K3 hooked up to the same antenna that station is an S4  --  just 
> barely over the noise level.  This is a station 100 miles way that I 
> could receive on that old GE transistor radio at what would have at 
> least been an S9 signal.  Therefore, at this juncture, the K3 is 
> totally not up to the job when it comes to broadcast band DX hunting.  
> What's up here?

-- 
=================================================
Carl Jón Denbow, N8VZ
17 Coventry Lane
Athens, Ohio 45701-3718

carl at n8vz.com
www.n8vz.com
EM89wh

IRLP 4533   Echolink 116070

PSK and JT65 Forever!
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