The transceiver can use a PCB-based antenna that resonates at 27MHz. According to the supplier, the properties of 27MHz transmissions will prevent reflections from giving errant range estimations ...

The 10 meters 27MHz CW radio amplifier is equiped with VN66AF transistor produced by Siliconix wich has some advantages: its cheap, great dielectric insulation and high gain. Here we use VN66AF as an ...