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Old 11th January 2018
Gear Guru

But, when you build the VPR - if you get unwanted HF reflections - why don't you just add some relatively thin porous absorber in front of the VPR? Not touching, of course.
There are varied VPR designs with a bunch of odd acronyms. CBA BCA.
Compact Broadband absorber. The Modex Plate Broadband is also like this. The clue is in the Model number 30/1/70. As I said earlier, a sandwich of 70mm CIB, 1mm Steel, 30mm CIB.

Which suggests for 1.5 X 1 meter???
No entiendo, que dices?