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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.



Qst amateur radio magazine, october 1972