[Boatanchors] [Glowbugs] WTB - Bird Wattmeter Model 43 HF 2-30 MHz Elements

[D C _Mac_ Macdonald]

Coaxial Dynamics company also makes 1-for-1 compatible elements. They had a display at Dayton Hamvention. 
 
* * * * * * * * * * * 
* 73 - Mac, K2GKK/5 * 
* (Since 30 Nov 53) * 
* k2gkk hotmail com * 
* Oklahoma City, OK * 
* USAF & FAA (Ret.) * 
* * * * * * * * * * * 
 

 
> Date: Mon, 2 Jun 2014 22:57:57 -0800
> From: jwiley at gci.net
> To: k3hw at yahoo.com; QRP-L at mailman.qth.net; tetrode at googlegroups.com; boatanchors at mailman.qth.net
> Subject: Re: [Boatanchors] [Glowbugs] WTB - Bird Wattmeter Model 43 HF 2-30	MHz Elements
> 
> As far as  know, the lowest power HF element  (rated for 2 to 30 MHz) 
> that Bird offered was 50 watts, that being  the model 50H element.  
> Perhaps there are lower rated HF elements out there, but 50 watts is the 
> most "sensitive" HF element I have ever seen or heard about.
> 
> They did offer a 5-watt element that covered the 25 to 60 MHz range (the 
> 5A element), that was probably intended for CB radio testing. I have one 
> of those. The 5A element could be used at  HF frequencies outside of its 
> marked range, but only as a relative indicator, that is to say with 
> reduced accuracy as far as power calibration was concerned.
> 
> They did offer lower power elements, down to at least 500 mW for some 
> microwave bands.  I happen to have a 1-watt element for the 2.1 GHz range.
> 
> On the other hand, the highest power element for the model 43 wattmeter 
> I have ever seen was marked for 10 kW, although I have heard tell of 
> even higher power "slugs" for external line sections.   I know other 
> manufacturers made elements that fit the Bird line section, for example 
> those made by Sierra corporation,  which were supposedly 1 for 1 
> interchangeable with the "Bird" elements, but I don't have any of those.
> 
> Best deal I ever got was at a hamfest many years ago where a gentleman 
> had a 5-gallon bucket full of assorted elements priced at $5 apiece.  I 
> bought about 20 that particular day, with "doubles" for several bands,  
> so I could see forward and reflected power simultaneously (using 2 model 
> 43 meter "mainframes"). Unfortunately, the highest power HF elements he 
> had were 1000-watt versions.  I bought a couple of those, but I am still 
> looking for a 2500 H element.
> . .
> 
> - Jim, KL7CC
> 
> 
> On 6/2/2014 7:47 PM, 'Howie K3HW' via Glowbugs wrote:
> > Gangue,
> >
> > I would like to purchase HF elements in excellent condition for my Bird Model 43 Wattmeter - specifically 50, 25, and/or 5 Watt elements.
> >
> > Thank you
> >
> > Howie K3HW
> >
> 
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