3.1 To avoid the necessity of carrying more than
one set of receiving equipment on a ship, the shipborne receiving
equipment should be suitable for operating either with a worldwide
radionavigation system, or with radionavigation systems which cover
the area in which the ship trades.
3.2 Shipborne receiving equipment should conform
to the relevant performance standards not inferior to those adopted
by the Organization.
3.3 Radionavigation systems should make it possible
for shipborne receiving equipment automatically to select the appropriate
stations for determining the ship's position with the required performance.
3.4 Shipborne receiving equipment should be provided
with at least one outputfootnote from
which position information can be supplied in a standard form to other
equipment.