Home » Regulations » 38 » b These letters are generally used for the first letters in New Zealand amateur radio callsigns:   a.   ZS   b.   ZL   c.   VK   d.   LZ Your answer "b" is CORRECT! PIB 46, Paragraph 2.2 Callsigns See http://www.rsm.govt.nz/cms/tools-and-services/publications/public-information-brochures-pibs/pib-46/ Next