A design concept to support both the initial planning and the management of land mobile radio networks with slow frequency-hopping signaling is proposed. It is applicable to the networks with advanced architecture of which the Pan European networks may be an example. The design consists of two planning processes: spatial and frequency planning. A novel heuristic is used to optimize the base station locations with respect to the total interference-to-signal ratio in a network. This ensures economic coverage of the network service area as well as efficient frequency reuse. A repeated application of the same heuristic to the currently measured and/or predicted data offers powerful means to manage a network in order to keep its resources highly available to their users, as is shown in a simulation example which includes not only sources of unintentional (cochannel, adjacent channel, and intermodulation) interference but also sources of intentional (jammer) interference.>