| Main | 
| Number 
 | Title | Status | Questions | 
| P.452-18 (10/2023) 
 | Prediction procedure for the evaluation of interference between stations on the surface of the Earth at frequencies above about 100 MHz | In force (Main) 
 | 208/3 | 
| 
 | 
| Previous versions | 
| Number 
 | Title | Status | Questions | 
| P.452-13 (08/2007) 
 | Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz | Superseded 
 | 208/3 | 
| P.452-15 (09/2013) 
 | Prediction procedure for the evaluation of interference between stations on the surface of the Earth at frequencies above about 0.1 GHz | Superseded 
 | 208/3 | 
| P.452-16 (07/2015) 
 | Prediction procedure for the evaluation of interference between stations on the surface of the Earth at frequencies above about 0.1 GHz | Superseded 
 | 208/3 | 
| P.452-8 (08/97) 
 | Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz | Superseded 
 | N/A | 
| P.452-17 (09/2021) 
 | Prediction procedure for the evaluation of interference between stations on the surface of the Earth at frequencies above about 0.1 GHz Editorial corrections on 28 October 2021
 | Superseded 
 | 208/3 | 
| P.452-14 (10/2009) 
 | Prediction procedure for the evaluation of interference between stations on the surface of the Earth at frequencies above about 0.1 GHz | Superseded 
 | 208/3 | 
| P.452-7 (10/95) 
 | Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz | Superseded 
 | N/A | 
| P.452-11 (04/2003) 
 | Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz | Superseded 
 | 208/3 | 
| P.452-9 (10/99) 
 | Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz | Superseded 
 | N/A | 
| P.452-10 (02/2001) 
 | Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz | Superseded 
 | 208/3 | 
| P.452-12 (03/2005) 
 | Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz | Superseded 
 | 208/3 | 
| P.452-6 (08/94) 
 | Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz | Superseded 
 | N/A |