--- In Repeater-Builder@yahoogroups.com, n...@... wrote: > > Aluminum hardline was once bad at one mountaintop site I rent from. > > Bob NO6B
One possible reason: "Generation of Passive Intermodulation Products (PIM) Gold, silver, copper, brass and copper-beryllium joints generate low PIM; steel, aluminium, stainless-steel-joints generate higher PIM." Source: http://www.hubersuhner.com/products/hs-p-rf/hs-p-rf-info/hs-p-rf-info-pi\ m <http://www.hubersuhner.com/products/hs-p-rf/hs-p-rf-info/hs-p-rf-info-p\ im> James K7ICU
