Bob Wilder wrote: > > Meir: I know that the BC639/BC640 were designed by an American who tried to sell the idea of > VHF to the US Army but was refused so he went to the UK where the idea sold. Is the SCR-522 > also an American design which we did not want and thus sold to the Brits? I'd also look forward to seeing some documentation. I thought the 639/640 were repackaged SCR-522s?