22615694
Descrição
Mapa Mental por Meir Tauber, atualizado more than 1 year ago
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Criado por Meir Tauber
aproximadamente 4 anos atrás
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Ham Radio
- OHMS LAW:
- Measurements
- Kilo=100
- Mili:Thousanths
- Pico:Trilionth
- Db: 3 db:2:1 6:4:! 10:10:1
- Kilo=100
- Rdio Waves
- Hertz is one cycle per second
- Speed of light
- Wavelength gets shorter as frequency increases
- Hertz is one cycle per second
- VHF/UHF is line of sight
- Line of sight is the curvature of the earth
- If operator says multipath distortion, move a few feet
- Line of sight is the curvature of the earth
- Repeaters extend possible length of transmision
Anexos de mídia
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