Thanks guys.
That kit from electronics-DIY looks interesting and I'll likely pick it up.
-- two minor points though (not complaining!), the freq range selector
is pcb mount dip switch so if I wanted to put this in a nice case I'd have to find a selector switch
(I assume only 1 of the four pins goes high to select). Second, the freq counter kit is nice too but
resolution in 10Mhz steps.
Beggers being choosers? Maybe.
Thanks again!
Tony