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9 Cards in this Set
- Front
- Back
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Type of Propagation Used |
- Space wave. - Transmitter and receiver in line-of-sight. |
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Size of Aerials Used |
- Smaller wavelength, so small aerial. |
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Transmitter Power |
- Does not need to be high. - Reception of signals virtually interference free. |
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V/UHF Obstructions |
- V/UHF easily refracted and/or reflected by obstructions in line-of-sight. |
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VHF Bandwidth |
30 - 300 MHz |
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UHF Bandwidth |
300 MHz - 3 GHz |
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VHF and UHF Bands Used for |
- TV. - Radio broadcasts. - A/C communications. - Some radio relay systems. |
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VHF Distress Frequency |
- Used by civilian and military. - 121.5 MHz, aeronautical distress. |
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UHF Distress Frequency |
- Used by military. - 243 MHz, Aeronautical distress. |
