This might be an old counter I was given or found at a hamfest. The owners manual looks like it came from
a typewriter and a photocopier. It sold as a kit. (circa 1979)
input: 1meg 30pf
range: 10hz-512mhz
clock: 10mhz timebase, with oven
sensitiviy: 10mv sens at 25mhz
power: 12vdc or use ac adapter
battery: battery pack optional, rechargeable
prescale: prescales over 50mhz:
