[amsat-bb] Re: Bird wattmeter
davegoncalves at gmail.com
Thu Nov 23 07:22:56 PST 2006
Please check out nm3e.com for good deals on Bird meters, slugs, and
On 11/23/06, Nate Duehr <nate at natetech.com> wrote:
> Dave Guimont wrote:
> > It is a Byrd model 4304A...it covers from 25-1000 MHZ with enough
> > accuracy for my use on L band..
> Telewave also makes nice "multi-band" wattmeters, no slugs.
> Again, I think they're rated only to 1000 MHz, but might work "okay" at
> L-band. You'd have to dig into the specs or ask Telewave.
> Just thought I'd mention it.
> Their meters are good, and you can get them with a -40dB injection port
> (basically a built in coupler with a calibrated insertion loss) that
> allows for a nice way to do usable sensitivity tests with the antenna
> connected, while also measuring power output on the meter at the same
> time going the other direction -- if you have another signal source on
> the band you're testing that you can use for injecting into the port on
> the meter.
> I would have bought a Telewave if I didn't run across a really good deal
> on my Bird. Now I'm in "buy more elements" mode... just buying them as
> I need them, just like everyone else using a Bird 43. They're the "gold
> standard" but there are some nice alternatives out there, like the
> New Telewave's are not cheap, but neither are the Birds when you buy
> them new... and sometimes "brand new and shiny" can bring a smile to
> your face when you get a new radio toy. :-)
> Most used Birds look like they were run over by a truck and hit with an
> ugly stick...
> Nate WY0X
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