The L1 coil is formed by 5 turns of 16 AWG wire in the form of 4 cm without core. Capacitors are variable capacitors used from an old AM radio. The circuit must be mounted in a shielded box and adjusted for a lower standing wave ratio.
The L1 coil is formed by 5 turns of 16 AWG wire in the form of 4 cm without core. Capacitors are variable capacitors used from an old AM radio. The circuit must be mounted in a shielded box and adjusted for a lower standing wave ratio.