Hello to all : i=B4m new in the list and im looking for informatiom = for programming my vhf FTC 2640. Looking via internet i can't found = nothing ( only the circuit diagram ) . I want change the frecuency of the chanels, it is whit matriz of diodos = and i have not info for do this. Any information is welcome. 73 de LU9EBZ Jorge D'Uva San Nicolas Argentina Excuseme my errors of english.