Oldest amateur radio operator (ham)
Who
Jose Vicichi
What
93, 253 year(s):day(s)
Where
Argentina (Buenos Aires)
When
The oldest amateur radio operator (ham) is José Sebastián Vicichi (Argentina, b. 2 September 1922), who continues to make regular transmissions from Buenos Aires, Argentina at age 93 years 253 days as of 18 April 2016.

Vicichi has been making radio transmissions for 74 years and has served as the president of the Buenos Aires Amatuer Radio Operators Club.