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> Qst amateur radio magazine, april 1973
Qst amateur radio magazine, april 1973
1. A Solid-State SSB Generator with Digital Readout.
3. Combination High-Stability Two-Tone Generator and Calibrator.
4. Calculating the Vertical Pattern of Repeater Antennas.
5. Fundamentals of Solid-State Power-Amplifier Design.
6. Another Look at Reflections.
7. The Dual Six - A QRP Transmitter for 40 and 80 Meters.
8. Recent Equipment. HAL Communications Video Display Unit and Keyboard. HAL ST-6 RTTY Demodulator. Digipet-60 Frequency Counter and - 160 Converter.
9. Technical Correspondence.
1. A Band-Edge Marker Generator.
1. Results, 12th RTTY DX World-Wide "Maple Leaf Sweepstakes".
2. Emergency Communications Advisory Committee.
1. Organic Reflective Elements for the Simple Dipole.
3. Sweaty Palms at the Old Federal Building.
4. The Managua Earthquake - A Christmas Tragedy.
9. Correspondence From Members.
12. Happenings of the Month.
26. 25 and 50 Years Ago in QST.
