Document :

ITU-R�WP4C� Contribution� 447

Title :

Proposed working document toward preliminary draft revision of Report ITU-R M.2220 (Question ITU-R 217-2/4 and 288/4)

Date :

2019-06-10

Source :

United States of America

AI/Question :

Q217/4

Access :

Restricted to TIES users�[ITU-R]