Backscatter is a compendium of the best technical articles that have been in Scatterpoint, the UK Microwave Group newsletter (and its predecessor) over the period 1999 to 2006. The original publication in 2008 was an A5 size book of 445 pages and is an excellent reference with many articles on all aspects of microwaves.
It is now freely available as pdf chapters below:-
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29-Jan-2018