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Re: [Amps] Palstar DL5K 5KW load

To: Theo Bellamy <theo.bellamy@spirittelecom.com>
Subject: Re: [Amps] Palstar DL5K 5KW load
From: Don Havlicek <n8de@thepoint.net>
Reply-to: n8de@thepoint.net
Date: Wed, 31 Aug 2005 11:27:36 -0400
List-post: <mailto:amps@contesting.com>
Wow ... I am an Extra and have a 45 wpm certificate ... does that mean I 
can run ... let me see.....  14.5 kw ???
Don
N8DE

Theo Bellamy wrote:
> Haven't you heard? 20 wpm Extras can now run 6kw. It is only fair since 5
> wpm Extras can run 1.5 kw ....
> 
> 
> Theo K4MO
> 
> ;-)
> 
> 
> 
> 
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]On
> Behalf Of Don Havlicek
> Sent: Wednesday, August 31, 2005 10:51 AM
> To: PA3DUV
> Cc: amps@contesting.com; Harold B Mandel
> Subject: Re: [Amps] Palstar DL5K 5KW load
> 
> 
> 6 Kw output?
> Hmmmmmmm
> Wish we had that opportunity in the USA, but who needs 6 db?
> Don
> N8DE
> 
> PA3DUV wrote:
> 
>>However, there are some minor flaws in the design of the DL5K.
>>
>>First the long silver plated wire from the UHF connector to the resistors
> 
> is
> 
>>hanging on the solder joint of the UHF connector. The cheap rubber grommet
>>in the directional coupler box provides no support at all. I have machined
> 
> a
> 
>>teflon support bushing to replace the grommet which supports this long
> 
> lead.
> 
>>Also I have bolted the directional coupler box to the chassis in order to
>>remove strain from the broken solder connection to the UHF plug.
>>
>>The DL5K works just fine with the 6 kW output from my 2 x GU84 amplifier.
>>The fan kicks in after approx. 20 seconds and a nice flow of hot air heats
>>my shack in the wintertime. Together with the air flow through the GU 84
>>plate coolers I do not need to fire up the wood burner in the shack.
>>
>>Cheers, Dick
>>PA3DUV
>>
>>
>>----- Original Message -----
>>From: "Harold B. Mandel" <ka1xo@juno.com>
>>To: <amps@contesting.com>
>>Sent: Thursday, August 18, 2005 12:21 AM
>>Subject: [Amps] Palstar DL5K 5KW load
>>
>>
>>
>>
>>>When opening up the Palstar DL5K dummy load
>>>the owner can spot a ceramic capacitor at one end of
>>>the two load resistors.
>>>
>>>As well, the input line goes through a metal box that serves as
>>>the pickup for the relative wattmeter on the front panel.
>>>
>>>While never approaching the 5KW limit I have seen some
>>>reflected energy from this device at the legal limit area and
>>>wonder if any of you might have encountered this as well.
>>>
>>>I went so far as to swap coax jumpers, etc., to eliminate
>>>cable glitches and the effect followed.
>>>
>>>Hal Mandel/W4HBM
>>>_______________________________________________
>>>Amps mailing list
>>>Amps@contesting.com
>>>http://lists.contesting.com/mailman/listinfo/amps
>>
>>
>>_______________________________________________
>>Amps mailing list
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>>http://lists.contesting.com/mailman/listinfo/amps
>>
> 
> 
> 
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