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> Qst amateur radio magazine, october 1972
Qst amateur radio magazine, october 1972
1. Wide-Band FM with Crystal Control.
2. Build a Dual-Differential Capacitor for Your Antenna-Tuning Network.
3. RF Matching Techniques, Design and Example.
4. A 75-Watt Solid-State UHF Amplifier.
5. Limited Speech Recognition.
6. OAKEY - An Op-Amp Electronic Keyer.
7. 100 Watts on 160 Meters, Using a BC-458.
8. A Closer Look at the HF Resonant Dipole.
9. Recent Equipment: The Heath IM-102 Digital Multimeter. Sonar Sentry FM/A-M Monitor Receiver, Model FR-103SA.
1. A High-Performance Solid-State Receiver for the Novice.
1. Results, 38th ARRL International DX Competition.
2. June VHF QSO Party Results.
3. 39th ARRL November Sweepstakes Announcement.
8. Correspondence From Members.