[TenTec] Colliins SWR Bridge

geraldj geraldj at storm.weather.net
Sat Dec 12 23:15:58 PST 2009




---------- Original Message -----------
From: ac9s at mchsi.com
To: tentec at contesting.com
Sent: Sat, 12 Dec 2009 18:26:50 -0600 (CST)
Subject: [TenTec] Colliins SWR Bridge

> Jerry,
> 
> You wrote: "Many a ham SWR meter is a very rough approximation of SWR and even 
> when it shows matched, the impedance and reactance may be a ways from 50 ohms 
> resistive. Birds aren't bad, Collins wattmeters I think have a much better 
> design. But then I'm biased, I have one of their reject designs
> (I worked with the department that did ham gear designs in 1963) and its 
> plenty good but not good enough for their specifications. There's a lot more 
> shielding in their better design to control stray couplings that would make 
> the readings wrong."
> > >
> 
> Does the 312B-4 include the better bridge design?

Yes.
> 
> Thanks --
> 
> Keith
> AC9S

73, Jerry, K0CQ



More information about the TenTec mailing list