Early Navigation System of acetylene torches on towers and concrete arrows
Beacons, arrows kept pioneer pilots from going astray in Nevada. In the earliest days of commercial aviation, before the advent of radio guidance, the federal governm...Ultracom interface/adapter/radio question?
Can anyone tell me what interfact/adapter cables and radio and PTT switch combination goes with this Comtronics Ultracom box? Is anyone using this one? Regards, RizzyTags: Ultracome interface adapter and radio