Radioamator i Krótkofalowiec 1974/09

Radioamator i Krótkofalowiec, wrzesień 1974r., rok 24, Nr 9
On the cover: Parabolic antenna of the Terrestrial Satellite Station

  • FROM COUNTRY AND FOREIGN
    • Investments of the 30th anniversary (201)
  • ELECTRONIC COMPONENTS
    • Monolithic integrated circuits - structural development of integrated kow frequency power amplifiers - Part 1 (202)
  • DO YOU KNOW THAT... (204)
  • ELEKTROACOUSTICS
  • ELECTRONIC MEASUREMENT
    • Electronically tuned Wien's bridge generator (209)
    • A simple meter of acoustic frequencies (220)
  • AMATEUR RADIO COMMUNICATION
    • "BK" device with integrated circuit (212)
  • OVERVIEW OF SCHEMATIC DIAGRAMS
    • "Elizabeth" radio receiver (216)
  • RESEARCH
    • Stereo radio receiver "Elizabeth" (216)
  • CORNER FOR MOTORIZED
    • Power supply converter to the "Safari" receiver (218)
  • POWER SUPPLY DEVICES
    • Adjustable transistor power supply 4-25V / 1.2A (223)
  • KRÓTKOFALOWIEC POLSKI (225)
  • CORNER FOR BEGINNERS
    • About electric shock (226)
  • AMATEUR RADIO PRACTICES
    • A practical tester of transistors (227)
    • Scrolling the tape on ZK tape recorders (227)
  • FROM AN INTERNAL PRESS
    • A simple resonance meter (228)
  • RADIO AMATEUR IN THE LORD OF DEFENSE (LOK)
    • Intentions of the LOK communications division in the light of the resolutions of the 6th National Congress of LOK (cover page III)