[Elecraft] K3 Below 500 KHz RX Antenna

[Phil Hystad]

Thanks for all the replies guys…

I think I will give the mini-whip mentioned in the message below a try.  Something
to do when the temps are too high for this Seattle area rain lover.

I am printing out the paper linked by the URL at this moment.

73, phil, K7PEH



> On Jul 18, 2015, at 1:32 PM, Milverton M. Swire via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> Joe / Don, my ignorance will jump to the forefront here.How would a Beverage perform in this situation?
> ((((73)))) Milverton / W9MMS. 
> 
> 
>      From: "Joe Subich, W4TV" <lists at subich.com>
> To: elecraft at mailman.qth.net 
> Sent: Saturday, July 18, 2015 3:11 PM
> Subject: Re: [Elecraft] K3 Below 500 KHz RX Antenna
> 
> 
> 
> Actually, if you want cheap and effective look at the PA0RDT mini-whip
> active antenna:
>     http://dl1dbc.net/SAQ/Mwhip/Article_pa0rdt-Mini-Whip_English.pdf
> 
> The active antenna is relatively small and easy to build with no
> particularly expensive or difficult to find parts.  Some builders
> have even used MPF-102 and 2N3866 or 2N3904 transistors instead of
> the U310 and 2N5109.
> 
> 73,
> 
>     ... Joe, W4TV
> 
> 
> On 2015-07-18 3:08 PM, Don Wilhelm wrote:
>> Phil,
>> 
>> Cheapest and easiest and effective do not always go together - pick one
>> or two of those properties.  Easiest would be a good active antenna,
>> like the one available from Clifton Labs.
>> Cheapest would be a multi-turn loop on a frame - search the web for
>> homebrew designs. - it needs to be rotated, so that may make it a bit
>> more complex, but it can have a narrow field of view which is good for
>> eliminating noise.
>> 
>> 73,
>> Don W3FPR
>> 
>> On 7/18/2015 2:52 PM, Phil Hystad wrote:
>>> What is the cheapest easiest although effective RX antenna for
>>> listening to whatever below 500 KHz with a K3 and the new K3SYNA board?
>>> 
>>> 
>> 
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>> 
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