Across
- 3. A state of readiness
- 6. An electromagnetic wave with a wavelength in the range 0.001–0.3 m, shorter than that of a normal radio wave
- 8. The application of scientific knowledge for practical purposes, especially in industry
- 9. A game where people hunt for a small battery powered transmitter called the “fox” which is hidden in advance
- 10. A person who engages in a pursuit on an unpaid rather than a professional basis
- 11. A _______ radio transmitter/receiver device used for two-way communication based on shortwave radio technology
- 13. A rod, wire, or other device used to transmit or receive radio signals
- 14. The branch of science that deals with celestial objects, space, and the physical universe as a whole
- 16. A feeling of fellowship with others, as a result of sharing common attitudes, interests, and goals
- 18. Someone who uses equipment at an amateur radio station to engage in two-way personal communications with other amateur operators on radio frequencies
- 19. A radio-communication station capable of being moved and which ordinarily does move
- 20. The radio frequencies used for broadcasting
- 22. The systematic study of the structure and behavior of the physical and natural world through observation, experimentation, and the testing of theories against the evidence obtained
- 23. The science of numbers and their operations
- 24. The branch of science and technology concerned with the design, building, and use of engines, machines, and structures
Down
- 1. A radio ______ provides radio communication in the amateur radio service. (fixed ground, mobile, space, temporary field)
- 2. Including or involving people from a range of different social, technological, gender, ability, and ethnic backgrounds
- 4. The transmission and reception of electromagnetic waves of radio frequency
- 5. High Altitude __________?
- 7. The imparting or exchanging of information or news
- 12. An electromagnetic ______ of a frequency between about 104 and 1011 or 1012 Hz, as used for long-distance communication
- 14. Who can you talk to via amateur radio on the International Space Station?
- 15. A transmitter, receiver or, most commonly, a transceiver
- 17. What you get for passing the government test demonstrating adequate technical radio knowledge and legal knowledge
- 21. An electronic device that receives a weak or low-level amateur radio signal and retransmits it at a higher level or higher power, so that the signal can cover longer distances without degradation