**Thursday, June 14, 7:30 PM** Dolley Madison Library, McLean: Richard O'Neil will make a presentation on How to Make a Crystal Set: 1) Circuits: - Antenna - Tapped Coil, Series Coil & Capacitor, Tuggle, 2) Variable Capacitors - SLF, SLC, Variants Insulation - Hard Rubber, Phenolic, Ceramic, Styrene, Teflon 3) Coils: High Q - Coil Form Materials, L/D Ratio, Wire Gauge, Wire AC Resistance, Wire Spacing, Litz Wire 4) Diodes - Mineral Crystals, Germanium Diodes, Schottky Diodes 5) Impedance Matching Transformer: Specs, Sources 6) Phones: Crystal, High Impedance Magnetic, Balanced Armature 7) DXing: What to Expect
### Recent Meetings
**Thursday, June 14, 7:30 PM** Dolley Madison Library, McLean: Richard O'Neil will make a presentation on How to Make a Crystal Set: 1) Circuits: - Antenna - Tapped Coil, Series Coil & Capacitor, Tuggle, 2) Variable Capacitors - SLF, SLC, Variants Insulation - Hard Rubber, Phenolic, Ceramic, Styrene, Teflon 3) Coils: High Q - Coil Form Materials, L/D Ratio, Wire Gauge, Wire AC Resistance, Wire Spacing, Litz Wire 4) Diodes - Mineral Crystals, Germanium Diodes, Schottky Diodes 5) Impedance Matching Transformer: Specs, Sources 6) Phones: Crystal, High Impedance Magnetic, Balanced Armature 7) DXing: What to Expect
### Recent Meetings