Publisher : ITU

ITU-R QUESTION 235/5 PDF

Protection criteria for aeronautical and maritime systems

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ITU-R QUESTION 236/4 PDF

Interference criteria and calculation methods for the fixed-satellite service

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ITU-R QUESTION 236/7 PDF

The future of the UTC time scale

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ITU-R QUESTION 237/5 PDF

Characteristics and protection criteria of radars operating in the radiodetermination service in the VHF frequency band

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ITU-R QUESTION 237/7 PDF

Technical and operational factors relating to interference mitigation practices at radio astronomy stations

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ITU-R QUESTION 238-1/5 PDF

Broadband wireless access systems for the mobile service

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ITU-R QUESTION 238/7 PDF

Trusted time source for time stamp authority

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ITU-R QUESTION 239/7 PDF

Instrumentation time codes

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ITU-R QUESTION 240/5 PDF

Technical and operational characteristics and spectrum requirements of high-frequency surface wave radar systems operating in the frequency range 3 to 50 MHz

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ITU-R QUESTION 241-1/5 PDF

Cognitive radio systems in the mobile service

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