ded already by the international table, based on options offered by the international table. Many table, it will be desirable to get the international table amended at a frequency bands will be allocated nationally in the same terms as competent world administrative radio conference (WARC). If there are found in the international table; this will often be true, for is general agreement that the addition of the new allocation to the example, of the bands used for ships and aircraft. In recent years international table is desirable, that allocation may be written into European countries have aimed to standardise the bands used for the international table of frequency allocations with worldwide, or land mobile radiotelephones. Elsewhere in the spectrum. however, perhaps Region-wide, applicability and with primary status. Often the national table will take into account the specific national re- the already existing allocation will be retained for existing systems, quirements. creating a new sharing situation or extending one that was already in existence. To allocate frequency bands to services as the ITU defines them However, the need for changes of the international allocations is only the beginning of the process of planning how the spectrum may not be widely perceived and there may not be agreement as to is to be used within the jurisdiction of an administration. Thus: what change should be made amongst the nations that do perceive the need. Failing agreement to a worldwide or regional primary 1. Bands allocated internationally for the mobile service may be allocation, international recognition of an allocation with sufficient allocated for national purposes specifically for the maritime, status may be obtained by means of a secondary allocation, or a the aeronautical or the land mobile service. geographically limited footnote to the international table or by some 2. It will probably be desirable to designate solely for military use combination of these measures by which the rights of existing some of the bands a