[Elecraft] [K3] K3 on 500 kHz

Jack Smith jack.smith at cliftonlaboratories.com
Tue Jan 5 10:52:54 EST 2010


An alternative to Palomar is the VLF converter kit from Jackson Harbor 
Press.

I wrote a detailed review of the kit at
http://www.cliftonlaboratories.com/jackson_harbor_press_vlf_converter.htm

Jackson Harbor Press can be found at 
http://home.att.net/~jacksonharbor/ham.htm. Look for the LF Converter.

Jack K8ZOA


On 1/5/2010 10:00 AM, Rick Dettinger wrote:
>     I ordered a Palomar VLF converter a year ago from HRO and they had
> to refund my money.  They said that the VLF converter was no longer
> being made.  The Palomar Engineers web site seems to reflect this.
> They only show balun stuff, now.
>
> 73,
>
> Rick Dettinger   K7MW
>
>
> On Jan 4, 2010, at 7:13 PM, Fred Jensen wrote:
>
>    
>> Wayne Burdick wrote:
>>      
>>> What I
>>> meant was that you *could* make a transverter for these bands and
>>> interface it to the K3 via KXV3 module. We don't have plans to
>>> offer one
>>> ourselves.
>>>        
>> I've had a Palomar VLF Converter for years, works really great, and
>> better with my K3.  Converts [allegedly] DC to 500 KHz to 3.5 to 4.0
>> MHz.  LORAN-C noise here on the US Pacific Coast is a bit of a
>> problem,
>> we're fairly close to Middletown CA which has a USCG LORAN station,
>> but
>> the loop will null most of it out.  Seems to work good down to about
>> 12
>> KHz, then things get mushy.  I think I've even heard the power line
>> carrier current telemetry ... we have a 145KV line close to us and I
>> know it carries it, we have hydroelectric plants above and below us
>> and
>> I can see the chokes in the substations.  That said, I haven't had the
>> Palomar on for about a year, maybe I'll hook it up again and see
>> what's
>> there.  There was some word [maybe urban legends] that the CG was
>> going
>> to shut down LORAN-C in the face of GPS.  I've heard the West Coast
>> 500KHZ ham beacon several times, can't remember the call now.
>>
>> I really can't see why Elecraft would want to delve into such a low
>> volume market when there are a number of cheap alternatives already
>> out
>> there.  I'd rather they work on the solid-state amps :-)
>>
>> As a High School senior at 16, I got to work ships at sea on 500Kcs
>> from
>> a coastal marine station as a relief operator.  The Holy Frequency is
>> eerily silent these days compared to then, when it was a sort of
>> world-wide party-line.  But, that was then and this is now.  LoFer is
>> sort of fun for awhile, but I can't transmit there and the fun tends
>> to
>> fade after I've identified all the NDB's I can hear.
>>
>> 73 and a Good New Year to all,
>>
>> Fred K6DGW
>> Auburn CA USA
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