<page_title> Letter beacon </page_title> <section_title> Solitary beacons and channel markers </section_title> <table> <cell> R <col_header> ID letter </col_header> </cell> <cell> 4325.9, 5465.9 <col_header> Frequencies (kHz) </col_header> </cell> </table>
A solitary beacon, like "R", has frequencies of 4325.9 and 5465.9 kHz.