Committee on Radio Astronomy Frequencies

Frequently Asked Questions

• What did radio astronomy offer to the society?

• What is the duration of a radio astronomy obervation?
• What is the minimum elevation a radio telescope tracks celestial radio source?
• What telescope parameters should be used for coordination work and compatibility studies?
• What is the tracking speed of a radio telescope?
• Where is the transition from near field to far field for a radio telescope?

• Are the protection criteria of ITU-R Recommendation RA.769 unrealistically extreme?
• Can we solve coordination between space systems (space-to-Earth) and airborne applications by specific agreements between radio astronomy stations and operators of these space/airborne systems?
• Is site specific co-ordination with radio astronomy stations a mitigation factor in coordination issues with space systems?
• Should information on telescope scheduling be provided for compatibility studies?
• How to use a radio telescope for compatibility tests or standard development?