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Re: [TenTec] Bird Model 43 Slug For Sale

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Bird Model 43 Slug For Sale
From: VE1BN <ve1bn@eastlink.ca>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 29 Dec 2007 14:18:35 -0400
List-post: <mailto:tentec@contesting.com>
Donald -

I have a 2,5 KW slug for the Thruline Bird Wattmeter.  It is GOOD, clean and 
absolutely nothing wrong with it.   Sold my Titan amp so my 1 KW slug is in 
use instead, for my 500 Watt amp.

Interested?  Not cheap.....

73 -  Don,  ve1bn@eastlink.ca



----- Original Message ----- 
From: "Donald L. Schliesser" <donjan7@earthlink.net>
To: <tentec@contesting.com>
Sent: Saturday, December 29, 2007 1:26 PM
Subject: Re: [TenTec] Bird Model 43 Slug For Sale


>
>
> OK, OK - so I made a little mistake - sounded like a good thing !
> Thanks for correcting me - Now you can buy my slug and use it
> correctly.
>
> I am looking for a 1000H slug - 1000w. 2-30 Mhz - anyone out there
> have one for sale?  And no, I do not want to use it for reverse
> power only.
>
> Donald, K6RV
>
>> Message: 2
>> Date: Fri, 28 Dec 2007 12:03:48 -0600
>> From: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>
>> Subject: Re: [TenTec] Bird Model 43 Slug For Sale
>> To: <geraldj@storm.weather.net>, "Discussion of Ten-Tec Equipment"
>> <tentec@contesting.com>
>> Message-ID: <001301c8497b$ffcb0780$c1b34ace@FAMILY>
>> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
>> reply-type=original
>>
>> Jerry is absolute correct.  If one wishes to measure reflected power then
>> the slug to correctly use is the one that will also measure the forward
>> power.  Thus if forward power is 500 watts then that slug should be used 
>> to
>> measure reflected power.  Don't try to get "magnification" of reflected
>> power by using a lower power slug.  It's bad on the slugs.
>>
>> 73
>> Bob, K4TAX
>>
>>
>> ----- Original Message ----- 
>> From: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
>> To: <tentec@contesting.com>
>> Sent: Friday, December 28, 2007 11:43 AM
>> Subject: Re: [TenTec] Bird Model 43 Slug For Sale
>>
>>
>>
>>> On Thu, 2007-12-27 at 22:14 -0600, Donald L. Schliesser wrote:
>>>
>>>> I have a Bird 5D (Silver Label) 5W  200-500 MHz slug for Sale.
>>>> Perfect for Reverse Power (SWR) Adjustments.
>>>> No dings or scratches - comes in protective plastic case.
>>>> $45  includes shipping and Insurance CONUS.
>>>>
>>>> Please reply direct.  Donald, K6RV
>>>>
>>>>
>>> Not necessarily perfect for reverse power adjustments. The directivity
>>> of the element may mean the forward power is coupled to the diode, but
>>> only 30 dB down if that much and that can confuse the reflected power
>>> indication to get a cancellation only when the load isn't 50 ohms.
>>> Beyond that the lack of perfect directivity can easily over drive the
>>> element. And then the diode can go bad without even venting any smoke.
>>>
>>> 73, Jerry, K0CQ
>>>
>>> _______________________________________________
>>>
>>
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