Вы уже здесь ITU > Домашняя страница > ITU Publications > Radiocommunication (ITU-R) > publications

You are here Домашняя страница > ITU Publications > Radiocommunication (ITU-R) > ITU-R Reports > Mobile, radiodetermination, amateur and related satellite services > Operational and technical characteristics of the system for the promulgation of maritime safety information using HF narrow-band direct-printing systems