Owen Duffy wrote:
Cecil, it is someone else who has on a number of occasions suggested
the quarter wave thing in email correspondence, and here in postings?

Yep, it's not me, it's Reg. I have defended the Bird wattmeter
design. Reg sez one needs at least 1/4WL and preferably 1/2WL
in order to accurately ascertain the "real" SWR.
--
73, Cecil http://www.qsl.net/w5dxp