The WARC-79 increased the number of frequency bands that might be shared between the broadcasting service and the mobile service below 1 GHz. If the same portion of the frequency spectrum is allocated to two or more services, sharing may be effected in one of the following ways：simultaneously use of the same parts of the shared bands by different services, but in separate geographical areas. This Report examines the case of sharing in separate geographical areas as in the sectence above.