You can buy a 500 watt slug from Coaxial Dynamics. the slug is 950 to 1300 MHZ,
and is interchangeable with those manufactured by Bird Electronic Corporation.
Look here http://www.coaxial.com/home_frames.htm
On the left side of the page click on
Our Products
Plug-In Elements
7/8" Line size
look in first chart.
I have no connection with this company other that being a satisfied customer
Art
KB7WW
"Skram, Helge (MED)" wrote:
>
> Hello
>
> I purchased new from RF Parts one of the Bird 500w 400-1000MHz, that I
> intended to use on 1296MHz measuring power from a 2x7289 cavity amp.
> I have 3 Bird 43 meters in use.
> I stopped using the Bird 500w probe after it was verified to measure low by
> about 25%. There was also some erratic behaviour at high power levels.
> Purchased a EME directional coupler from SSB Electronis and this perfomed
> wery well and according to expectations. However maximum power is limited to
> 200w at 1296MHz. Therefore I now have a 1-4GHz directional coupler from
> Narda, capable of 500w. This didn't cost me much more than a Bird slug and
> is highly recomended. Will need diode heads and meter. Was purchased second
> hand from Stewart of Reading in England.
> It is correct that the Bird slugs are more broadband at higher power levels.
>
> A 1000w 400-1000MHz probe should be reasonable accurate at 1296MHz.
> A 500w (at least mine) is so so.
>
> You can recalibrate the Bird slugs if you dare. There is a small trimpot in
> the probe that can be adsjusted.
> Have to remove the cover by heating it with a heatgun.
> To recalibrate Bird slugs you must have a primary reference with good
> accuracy.
>
> 73 de LA6MV
> Helge
>
>
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]On
> Behalf Of RICHARD GEORGE
> Sent: 31. januar 2004 03:28
> To: amps
> Subject: [Amps] bird 43 slug
>
> Has any one ever had Bird make a custom slug for a Bird 43 wattmeter? I need
> a 500 watt slug for 1296mhz.
> Thanks
>
> K6KWQ Dick "12 Volt radios are for wimps, real radios can kill you" Still
> can't make it go QRO with "More Power"
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