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QRZ! Ham Radio 1
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QRZ Ham Radio Callsign Database - December 1993.iso
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1993-11-21
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948b
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28 lines
Amateur VLF Observation--How to Listen for Whistlers,
Mar. 1960, pp. 50-54.
An NAA Receiver, Oct. l962, pp. 36-37.
Still Another NAA Receiver, Mar. 1963, p. 53.
A Simple Low-Frequency Converter, Apr. 1964, pp. 17-19.
A VLF Converter with Untuned Input, Feb. 1965, p. 27.
A VLF Receiver without Tuning Capacitors or Coils,
Oct. 1966, pp. 23-25.
600 to 20,000 Meters, Sept. 1968, pp. 18-22.
A WWVL Receiver, Nov. 1971, pp. 34-37;
feedback, Dec. 1971, p. 47.
A Crystal-Controlled Converter and Simple Transmitter for
1750-meter Operation, Jan. 1974, pp. 19-21.
A High-Performance Low-Frequency Converter,
June 1977, pp. 23-27.
A Longwave Converter, Aug. 1978, p. 32.
1987 September QST p. 42
VLF and the Ham (Tech. Corres.) 2 pages
For further information contact:
The Longwave Club of America
45 Wildflower Rd.
Levittown, PA 19057