ECC/DEC/(11)01 https://docdb.cept.org/download/1544, of 11 March 2011 on the protection of the Earth exploration satellite service (passive) in the 1400 - 1427 MHz band
Further information:
- ECC Decisions - Documentation Database - ECO https://docdb.cept.org/document/category/ECC_Decisions?status=ACTIVE