Friends of Spectrum
Extensive collaborative network on Spectrum Management.
Enhancing human and institutional capacity building efforts in Spectrum Management
Explore Radio Frequency Allocations
Browse ITU spectrum allocation data across all WRC editions. Log in to access detailed band information, footnotes, and historical changes.
8.3 – 110 kHz
ITU RR table: 8.3-110 kHz
Submarine communications (VLF); maritime radionavigation; standard frequency & time signals (DCF77, JJY, MSF); meteorological aids; fixed and mobile
110 – 255 kHz
ITU RR table: 110-255 kHz
Long-wave AM broadcasting (Region 1); maritime radionavigation; aeronautical radionavigation; fixed and mobile
200 – 415 kHz
ITU RR table: 200-415 kHz
Aeronautical radionavigation (NDB beacons); maritime radionavigation; fixed; mobile
495 – 1800 kHz
ITU RR table: 495-1 800 kHz
AM broadcasting (mediumwave); maritime distress 500 kHz (legacy, superseded by GMDSS); amateur (630 m, 472-479 kHz — WRC-15); maritime mobile; aeronautical radionavigation
460 – 890 MHz
ITU RR table: 460-890 MHz
IMT — 4G/5G (700 MHz band; 800 MHz band); UHF TV broadcasting (Bands IV/V); fixed; mobile; Earth exploration satellite
415 – 495 kHz
ITU RR table: 415-495 kHz
Maritime mobile; aeronautical radionavigation; fixed; mobile
Spectrum Event Calendar
International/Regional/National meetings and conferences on spectrum management
How to use the Spectrum Event Calendar
Replay
FoS Calendar User Guide
Welcome to the official user guide for the FoS Calendar. This video provides a step-by-step walkthrough of the calendar features to help you navigate and manage your activities efficiently within the Friends of Spectrum platform. Whether you are a new user or looking to optimize your workflow, this tutorial covers everything you need to know.
Replay
FoS Calendar Contributor Guide
Welcome to the FoS Calendar! This video provides a step-by-step walkthrough for contributors on how to register, update, and manage events within the FoS Calendar ecosystem. Whether you are a new contributor or need a quick refresher on the dashboard features, this guide covers everything you need to know to get started.
Network of Women for WRCs (NOW4WRC)
Promoting gender euality and facilitating women in preparation process of WRCs
Mentoring Program
Facilitating women in the region to take leadership in WRC/Regional Preparation Meeting (e.g. APG)
Professional Network
Build meaningful connections with professionals in your industry.
Professional Empowerment
Improving professional skills in Spectrum Management
Knowledge Hub
Access articles, resources, and insights shared by the community.
Network of Experts
Build connections and collaborations with top class spectrum experts
Career Growth
Advance your career with mentoring, courses, and professional development.
Growing Community
Join our growing community of APT Friends of Spectrum
Registered Users
Active community
Active Mentors
Experienced mentors
Expert Articles
Knowledge resources shared
Success Stories
Completed mentoring projects
Recent Articles
Latest insights and knowledge from our community
Can 5G mmWave Share? Compatibility Studies for IMT Above 24 GHz
Can 5G mmWave Share? Compatibility Studies for IMT Above 24 GHzCategory: Spectrum Harmony Tags: mmWave,SharingStudie...
Drones in the Sky: Current and Future Usage of Unmanned Aircraft
Drones in the Sky: Current and Future Usage of Unmanned AircraftCategory: Safety & Resilience Tags: UAV,DroneSpe...
Maritime Mobile Communications: Guidelines for 457/467 MHz Bands at Sea
Maritime Mobile Communications: Guidelines for 457/467 MHz Bands at SeaCategory: Safety & Resilience Tags: Marit...
Protecting Aviation: Implementation of Aeronautical Frequency Bands
Protecting Aviation: Implementation of Aeronautical Frequency BandsCategory: Safety & Resilience Tags: Aeronauti...
Broadband Air-to-Ground: Direct Wireless Links for Passenger Aircraft
Broadband Air-to-Ground: Direct Wireless Links for Passenger AircraftCategory: Mobile Connectivity Tags: AirToGround...
Train-to-Trackside: Railway Communication System Deployment and Testing
Train-to-Trackside: Railway Communication System Deployment and Testing Category: Safety & Resilience Tags: Rai...
What Our Members Say
Hear from professionals in our community
"Friends of Spectrum helped me connect with the right people and grow my career. The community is welcoming and full of valuable insights."
Alex Johnson
Software Engineer, Tech Corp
"The knowledge sharing on this platform is outstanding. I found practical solutions and made meaningful professional connections."
Maria Chen
Data Scientist, Research Lab
"This community opened doors to new opportunities. The mentoring program was especially valuable for my professional development."
David Kim
Product Manager, StartupX