Difference between revisions of "Radio beacon - Dual carrier"
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Revision as of 00:17, 25 February 2009
4-2-045
Dual carrier radio beacon
A continuous carrier radio beacon in which identification is accomplished by means of a keyed second carrier. The frequency difference between the two carriers is made equal to the desired audio frequency.
Note: The object of the system is to reduce the bandwidth of the transmission.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
