 | | | | | | | | Status |
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| [1] |  | 2025-02-27 | 2025-02-27 | ITU-R | | Space Connect: E2 - Authorizing LEO Services - A Global Perspective | E-Meeting | Confirmed |
| [2] | | 2025-03-03 | 2025-03-07 | ITU-R | | Programme production and quality assessment | Switzerland [Geneva] | Confirmed |
| [3] | | 2025-03-03 | 2025-03-04 | ITU-R | | WMO-ITU Training Workshop on Use and management of Radio Spectrum for Meteorology for the Asia and the Pacific Region, Republic of Singapore | Singapore | Confirmed |
| [4] | | 2025-03-05 | 2025-03-12 | ITU-R | | Terrestrial broadcasting delivery | Switzerland [Geneva] | Confirmed |
| [5] | | 2025-03-10 | 2025-03-13 | ITU-R | | Broadcast service assembly and access | Switzerland [Geneva] | Confirmed |
| [6] | | 2025-03-11 | 2025-03-11 | ITU-R | | Coordination Committee for Terminology (CCT) | E-Meeting | Confirmed |
| [7] | | 2025-03-14 | 2025-03-14 | ITU-R | | Broadcasting Service | Switzerland [Geneva] | Confirmed |
| [8] | | 2025-03-17 | 2025-03-26 | ITU-R | | Space Radiocommunication Applications | Switzerland [Geneva] | Confirmed |
| [9] | | 2025-03-17 | 2025-03-26 | ITU-R | | Remote Sensing Systems | Switzerland [Geneva] | Confirmed |
| [10] | | 2025-03-17 | 2025-03-26 | ITU-R | | Radio Astronomy | Switzerland [Geneva] | Confirmed |
| [11] | | 2025-03-17 | 2025-03-21 | ITU-R | | Radio Regulations Board (RRB) | Switzerland [Geneva] | Confirmed |
| [12] | | 2025-03-17 | 2025-03-21 | ITU-R | | Time Signals and Frequency Standard Emissions | Switzerland [Geneva] | Confirmed |
| [13] | | 2025-03-27 | 2025-03-27 | ITU-R | | Science Services | Switzerland [Geneva] | Confirmed |
| [14] | | 2025-04-14 | 2025-04-17 | ITU-R | | Radiocommunication Advisory Group (RAG) | Switzerland [Geneva] | Confirmed |
| [15] | | 2025-04-23 | 2025-05-02 | ITU-R | | Efficient Orbit/Spectrum Utilization for MSS and RDSS | China [Shanghai] | Confirmed |
| [16] | | 2025-04-29 | 2025-05-08 | ITU-R | | Maritime mobile service including Global Maritime Distress and Safety System (GMDSS); aeronautical mobile service and radiodetermination service | Switzerland [Geneva] | Confirmed |
| [17] | | 2025-04-30 | 2025-05-06 | ITU-R | | Systems, air interfaces, performance and availability objectives for FSS, BSS and MSS, including IP-based applications and satellite news gathering | China [Shanghai] | Confirmed |
| [18] | | 2025-05-05 | 2025-05-16 | ITU-R | | Efficient Orbit/Spectrum Utilization for FSS and BSS | China [Shanghai] | Confirmed |
| [19] | | 2025-05-05 | 2025-05-08 | ITU-R | | ITU Regional Radiocommunication Seminar (RRS-25 Africa) | Djibouti City [Djibouti] | Confirmed |
| [20] | | 2025-05-12 | 2025-05-22 | ITU-R | | Fixed wireless systems; HF and other systems below 30 MHz in the fixed and land mobile services | Switzerland [Geneva] | Confirmed |
| [21] | | 2025-05-12 | 2025-05-22 | ITU-R | | Land mobile service above 30 MHz*(excluding IMT); wireless access in the fixed service; amateur and amateur-satellite services | Switzerland [Geneva] | Confirmed |
| [22] | | 2025-05-26 | 2025-06-05 | ITU-R | | Point-to-Area Propagation - Starting in the afternoon | Switzerland [Geneva] | Confirmed |
| [23] | | 2025-05-26 | 2025-06-05 | ITU-R | | Ionospheric Propagation and Radio Noise - Starting in the afternoon | Switzerland [Geneva] | Confirmed |
| [24] | | 2025-05-26 | 2025-06-05 | ITU-R | | Point-to-point and Earth-space propagation - Starting in the afternoon | Switzerland [Geneva] | Confirmed |
| [25] | | 2025-05-26 | 2025-06-05 | ITU-R | | Propagation Fundamentals - Starting in the afternoon | Switzerland [Geneva] | Confirmed |
| [26] | | 2025-05-26 | 2025-05-26 | ITU-R | | Radiowave Propagation - Morning only | Switzerland [Geneva] | Planned |
| [27] | | 2025-05-27 | 2025-05-27 | ITU-R | | Applications of machine learning in radio-wave propagation prediction | Switzerland [Geneva] | Confirmed |
| [28] | | 2025-06-06 | 2025-06-06 | ITU-R | | Radiowave Propagation | Switzerland [Geneva] | Planned |
| [29] | | 2025-06-09 | 2025-06-18 | ITU-R | | Spectrum Monitoring | Switzerland [Geneva] | Confirmed |
| [30] | | 2025-06-11 | 2025-06-18 | ITU-R | | Spectrum Engineering Techniques | Switzerland [Geneva] | Confirmed |
| [31] | | 2025-06-11 | 2025-06-18 | ITU-R | | Spectrum Management Methodologies and Economic Strategies | Switzerland [Geneva] | Confirmed |
| [32] | | 2025-06-16 | 2025-06-20 | ITU-R | | ITU Regional Radiocommunication Seminar (RRS-25 Americas) | Honduras [Tegucigalpa] | Planned |
| [33] | | 2025-06-19 | 2025-06-19 | ITU-R | | Spectrum Management | Switzerland [Geneva] | Confirmed |
| [34] | | 2025-06-24 | 2025-07-03 | ITU-R | | IMT Systems | To be determined | Planned |
| [35] | | 2025-07-14 | 2025-07-18 | ITU-R | | Radio Regulations Board (RRB) | Switzerland [Geneva] | Planned |
| [36] | | 2025-09-01 | 2025-09-05 | ITU-R | | Programme production and quality assessment | Switzerland [Geneva] | Planned |
| [37] | | 2025-09-02 | 2025-09-10 | ITU-R | | Terrestrial broadcasting delivery | Switzerland [Geneva] | Planned |
| [38] | | 2025-09-08 | 2025-09-11 | ITU-R | | Broadcast service assembly and access | Switzerland [Geneva] | Planned |
| [39] | | 2025-09-12 | 2025-09-12 | ITU-R | | Broadcasting Service | Switzerland [Geneva] | Planned |
| [40] | | 2025-09-15 | 2025-09-19 | ITU-R | | ITU Regional Radiocommunication Seminar (RRS-25 Asia-Pacific) | China [Shanghai] | Planned |
| [41] | | 2025-09-15 | 2025-09-25 | ITU-R | | Time Signals and Frequency Standard Emissions | Switzerland [Geneva] | Planned |
| [42] | | 2025-09-15 | 2025-09-25 | ITU-R | | Space Radiocommunication Applications | Switzerland [Geneva] | Planned |
| [43] | | 2025-09-15 | 2025-09-25 | ITU-R | | Remote Sensing Systems | Switzerland [Geneva] | Planned |
| [44] | | 2025-09-15 | 2025-09-25 | ITU-R | | Radio Astronomy | Switzerland [Geneva] | Planned |
| [45] | | 2025-09-26 | 2025-09-26 | ITU-R | | Science Services | Switzerland [Geneva] | Planned |
| [46] | | 2025-10-07 | 2025-10-16 | ITU-R | | IMT Systems | To be determined | Planned |
| [47] | | 2025-10-15 | 2025-10-24 | ITU-R | | Efficient Orbit/Spectrum Utilization for MSS and RDSS | Switzerland [Geneva] | Planned |
| [48] | | 2025-10-22 | 2025-10-28 | 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 |
| [49] | | 2025-10-27 | 2025-11-06 | ITU-R | | Efficient Orbit/Spectrum Utilization for FSS and BSS | Switzerland [Geneva] | Planned |
| [50] | | 2025-11-05 | 2025-11-14 | ITU-R | | Spectrum Engineering Techniques | Switzerland [Geneva] | Planned |
| [51] | | 2025-11-05 | 2025-11-14 | ITU-R | | Spectrum Management Methodologies and Economic Strategies | Switzerland [Geneva] | Planned |
| [52] | | 2025-11-05 | 2025-11-14 | ITU-R | | Spectrum Monitoring | Switzerland [Geneva] | Planned |
| [53] | | 2025-11-07 | 2025-11-07 | ITU-R | | Satellite Services | Switzerland [Geneva] | Planned |
| [54] | | 2025-11-10 | 2025-11-14 | ITU-R | | Radio Regulations Board (RRB) | Switzerland [Geneva] | Planned |
| [55] | | 2025-11-17 | 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] | Planned |
| [56] | | 2025-11-17 | 2025-11-28 | ITU-R | | Maritime mobile service including Global Maritime Distress and Safety System (GMDSS); aeronautical mobile service and radiodetermination service | Switzerland [Geneva] | Planned |
| [57] | | 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] | Planned |
| [58] | | 2025-12-01 | 2025-12-02 | ITU-R | | Terrestrial Services | Switzerland [Geneva] | Planned |
| [59] | | 2025-12-03 | 2025-12-05 | ITU-R | | 1st ITU Inter-regional Workshop on WRC-27 Preparation | Switzerland [Geneva] | Planned |
| [60] | | 2027-10-18 | 2027-11-12 | ITU-R | | World Radiocommunication Conference 2027 | To be determined | Planned |
