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Re: [TenTec] TenTec Model 240KW Dry Dummy Load

To: tentec@contesting.com
Subject: Re: [TenTec] TenTec Model 240KW Dry Dummy Load
From: Al Gulseth <wb5jnc@centurytel.net>
Reply-to: wb5jnc@centurytel.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 20 Dec 2016 19:21:03 -0600
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
They do exist, but apparently are pretty rare. No schematic, but it sounds 
like it's pretty straightforward:

TT Wiki: KW Dry Dummy Load Model 240KW

Description

    *
      Forced Air Cooled
    *
      Handles 1500 watts "key down" for up to 2 minutes
    *
      160 thru 10 meters @ 1.2:1 SWR
    *
      2 meters @ 1.5:1 SWR
    *
      Load provided by two, 100 ohm 750 watt, ceramic resistors connected in 
parallel. Specially designed resistors are chemically inert and temperature 
stable
    *
      Signal sample output
    *
      Over-temperature alarm
    *
      Requires 12 VDC

Specifications

    *
      Impedance: 50 ohms
    *
      Typical VSWR: 1.5 - 30 MHz = 1.2:1, 30 to 150 MHz = 1.5:1
    *
      Power Ratings:

1500 watts      2:00 minutes
1000 watts      2:45 minutes
750 watts       4:30 minutes
500 watts       7:30 minutes
300 watts       continuous

    *
      RF Input Connector: SO-239, UHF type
    *
      Fan and Alarm Power: 10 - 14 VDC
    *
      Size: HWD 4.5" x 6" x 13" (11.5 x 15.25 x 33 cm)
    *
      Weight: 6 lbs 6 oz (3 kg)

http://www.tentecwiki.org/doku.php?id=240kw

On Tue December 20 2016 6:46:00 pm Steve Ellington wrote:
> A TenTec 240 is a 160 meter converter.
> I'm not aware of a TenTec dummy load with a built in fan.
> Are you sure of the brand?
>
> On Tue, Dec 20, 2016 at 7:07 PM, George <wb5xx@suddenlink.net> wrote:
> > Not looking for the Dummy Load.I have one that needs some repairs so that
> > is my reason for asking for help.
> >
> > Thanks
> >
> > George wb5xx
> > _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
>
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