 | | | | | | | | Status |
|---|
| [1] |  | 2025-11-17 | 2025-11-28 | ITU-R | | Fixed wireless systems; HF and other systems below 30 MHz in the fixed and land mobile services | Switzerland [Geneva] | Confirmed |
| [2] | | 2025-11-18 | 2025-11-27 | ITU-R | | Maritime mobile service including Global Maritime Distress and Safety System (GMDSS); aeronautical mobile service and radiodetermination service | Switzerland [Geneva] | Confirmed |
| [3] | | 2025-11-19 | 2025-11-28 | ITU-R | | Land mobile service above 30 MHz*(excluding IMT); wireless access in the fixed service; amateur and amateur-satellite services | Switzerland [Geneva] | Confirmed |
| [4] | | 2025-11-21 | 2025-11-21 | ITU-R | | Fixed Wireless Service | Switzerland [Geneva] | Confirmed |
| [5] | | 2025-12-01 | 2025-12-02 | ITU-R | | Terrestrial Services | Switzerland [Geneva] | Confirmed |
| [6] | | 2025-12-03 | 2025-12-05 | ITU-R | | 1st Inter-regional Information Session on WRC-27 Preparation (IRIS) | Switzerland [Geneva] | Confirmed |
| [7] | | 2025-12-09 | 2025-12-09 | ITU-R | | Radiocommunication Advisory Group (RAG) | E-Meeting | Confirmed |
| [8] | | 2025-12-11 | 2025-12-11 | ITU-R | | Coordination Committee for Terminology (CCT) | E-Meeting | Confirmed |
| [9] | | 2026-02-03 | 2026-02-12 | ITU-R | | IMT Systems | Switzerland [Geneva] | Confirmed |
| [10] | | 2026-03-02 | 2026-03-06 | ITU-R | | Time Signals and Frequency Standard Emissions | Switzerland [Geneva] | Confirmed |
| [11] | | 2026-03-02 | 2026-03-12 | ITU-R | | Space Radiocommunication Applications | Switzerland [Geneva] | Confirmed |
| [12] | | 2026-03-02 | 2026-03-12 | ITU-R | | Remote Sensing Systems | Switzerland [Geneva] | Confirmed |
| [13] | | 2026-03-02 | 2026-03-12 | ITU-R | | Radio Astronomy | Switzerland [Geneva] | Confirmed |
| [14] | | 2026-03-13 | 2026-03-13 | ITU-R | | Science Services | Switzerland [Geneva] | Confirmed |
| [15] | | 2026-03-16 | 2026-03-20 | ITU-R | | Programme production and quality assessment | Switzerland [Geneva] | Planned |
| [16] | | 2026-03-17 | 2026-03-25 | ITU-R | | Terrestrial broadcasting delivery | Switzerland [Geneva] | Planned |
| [17] | | 2026-03-23 | 2026-03-26 | ITU-R | | Broadcast service assembly and access | Switzerland [Geneva] | Planned |
| [18] | | 2026-03-23 | 2026-03-27 | ITU-R | | Radio Regulations Board (RRB) | Switzerland [Geneva] | Confirmed |
| [19] | | 2026-03-23 | 2026-03-27 | ITU-R | | Rapporteur Group on the Spectrum Monitoring Handbook | To be determined | Planned |
| [20] | | 2026-03-27 | 2026-03-27 | ITU-R | | Broadcasting Service | Switzerland [Geneva] | Planned |
| [21] | | 2026-03-30 | 2026-04-02 | ITU-R | | Radiocommunication Advisory Group (RAG) | Switzerland [Geneva] | Planned |
| [22] | | 2026-04-22 | 2026-05-01 | ITU-R | | Efficient Orbit/Spectrum Utilization for MSS and RDSS | Switzerland [Geneva] | Planned |
| [23] | | 2026-04-29 | 2026-05-05 | ITU-R | | Systems, air interfaces, performance and availability objectives for FSS, BSS and MSS, including IP-based applications and satellite news gathering | Switzerland [Geneva] | Planned |
| [24] | | 2026-05-04 | 2026-05-14 | ITU-R | | Efficient Orbit/Spectrum Utilization for FSS and BSS | Switzerland [Geneva] | Planned |
| [25] | | 2026-05-15 | 2026-05-15 | ITU-R | | Satellite Services | Switzerland [Geneva] | Planned |
| [26] | | 2026-05-18 | 2026-05-26 | ITU-R | | Land mobile service above 30 MHz*(excluding IMT); wireless access in the fixed service; amateur and amateur-satellite services | Switzerland [Geneva] | Planned |
| [27] | | 2026-05-18 | 2026-05-29 | ITU-R | | Fixed wireless systems; HF and other systems below 30 MHz in the fixed and land mobile services | Switzerland [Geneva] | Planned |
| [28] | | 2026-05-19 | 2026-05-28 | ITU-R | | Maritime mobile service including Global Maritime Distress and Safety System (GMDSS); aeronautical mobile service and radiodetermination service | Switzerland [Geneva] | Planned |
| [29] | | 2026-05-27 | 2026-06-05 | ITU-R | | IMT Systems | Switzerland [Geneva] | Planned |
| [30] | | 2026-06-03 | 2026-06-10 | ITU-R | | Spectrum Engineering Techniques | Switzerland [Geneva] | Planned |
| [31] | | 2026-06-03 | 2026-06-10 | ITU-R | | Spectrum Management Methodologies and Economic Strategies | Switzerland [Geneva] | Planned |
| [32] | | 2026-06-03 | 2026-06-10 | ITU-R | | Spectrum Monitoring | Switzerland [Geneva] | Planned |
| [33] | | 2026-06-11 | 2026-06-11 | ITU-R | | Spectrum Management | Switzerland [Geneva] | Planned |
| [34] | | 2026-06-15 | 2026-06-25 | ITU-R | | Fundamentals of radio-wave propagation in non-ionized media | Switzerland [Geneva] | Planned |
| [35] | | 2026-06-15 | 2026-06-25 | ITU-R | | Radio-wave propagation prediction for point-to-area propagation paths | Switzerland [Geneva] | Planned |
| [36] | | 2026-06-15 | 2026-06-25 | ITU-R | | Ionospheric and ground-wave propagation prediction and radio noise | Switzerland [Geneva] | Planned |
| [37] | | 2026-06-15 | 2026-06-25 | ITU-R | | Radio-wave propagation prediction for point-to-point paths and paths between the Earth and space | Switzerland [Geneva] | Planned |
| [38] | | 2026-06-26 | 2026-06-26 | ITU-R | | Radio-wave Propagation | Switzerland [Geneva] | Planned |
| [39] | | 2026-06-29 | 2026-07-03 | ITU-R | | Radio Regulations Board (RRB) | Switzerland [Geneva] | Planned |
| [40] | | 2026-09-14 | 2026-09-18 | ITU-R | | Programme production and quality assessment | Switzerland [Geneva] | Planned |
| [41] | | 2026-09-14 | 2026-09-24 | ITU-R | | Time Signals and Frequency Standard Emissions | Switzerland [Geneva] | Planned |
| [42] | | 2026-09-14 | 2026-09-24 | ITU-R | | Space Radiocommunication Applications | Switzerland [Geneva] | Planned |
| [43] | | 2026-09-14 | 2026-09-24 | ITU-R | | Remote Sensing Systems | Switzerland [Geneva] | Planned |
| [44] | | 2026-09-14 | 2026-09-24 | ITU-R | | Radio Astronomy | Switzerland [Geneva] | Planned |
| [45] | | 2026-09-15 | 2026-09-23 | ITU-R | | Terrestrial broadcasting delivery | Switzerland [Geneva] | Planned |
| [46] | | 2026-09-21 | 2026-09-24 | ITU-R | | Broadcast service assembly and access | Switzerland [Geneva] | Planned |
| [47] | | 2026-09-25 | 2026-09-25 | ITU-R | | Broadcasting Service | Switzerland [Geneva] | Planned |
| [48] | | 2026-09-25 | 2026-09-25 | ITU-R | | Science Services | Switzerland [Geneva] | Planned |
| [49] | | 2026-09-28 | 2026-10-08 | ITU-R | | IMT Systems | Switzerland [Geneva] | Planned |
| [50] | | 2026-09-28 | 2026-09-30 | ITU-R | | Global ITU/WMO Seminar: Use of Radio Spectrum for weather, climate, water and related environmental activities | Switzerland [Geneva] | Planned |
| [51] | | 2026-10-07 | 2026-10-16 | ITU-R | | Efficient Orbit/Spectrum Utilization for MSS and RDSS | Switzerland [Geneva] | Planned |
| [52] | | 2026-10-14 | 2026-10-20 | ITU-R | | Systems, air interfaces, performance and availability objectives for FSS, BSS and MSS, including IP-based applications and satellite news gathering | Switzerland [Geneva] | Planned |
| [53] | | 2026-10-19 | 2026-10-29 | ITU-R | | Efficient Orbit/Spectrum Utilization for FSS and BSS | Switzerland [Geneva] | Planned |
| [54] | | 2026-10-26 | 2026-10-30 | ITU-R | | Radio Regulations Board (RRB) | Switzerland [Geneva] | Planned |
| [55] | | 2026-10-30 | 2026-10-30 | ITU-R | | Satellite Services | Switzerland [Geneva] | Planned |
| [56] | | 2026-11-02 | 2026-11-13 | ITU-R | | Spectrum Engineering Techniques | Switzerland [Geneva] | Planned |
| [57] | | 2026-11-02 | 2026-11-13 | ITU-R | | Spectrum Management Methodologies and Economic Strategies | Switzerland [Geneva] | Planned |
| [58] | | 2026-11-02 | 2026-11-13 | ITU-R | | Spectrum Monitoring | Switzerland [Geneva] | Planned |
| [59] | | 2026-11-16 | 2026-11-27 | ITU-R | | Land mobile service above 30 MHz*(excluding IMT); wireless access in the fixed service; amateur and amateur-satellite services | Switzerland [Geneva] | Planned |
| [60] | | 2026-11-16 | 2026-11-27 | ITU-R | | Maritime mobile service including Global Maritime Distress and Safety System (GMDSS); aeronautical mobile service and radiodetermination service | Switzerland [Geneva] | Planned |
