Ham Radio stations set up at camporees, Jamborees, Rover Moots, and other large gatherings have become a tradition the world over. The contact cards (QSL) with special edition postage cancels or seals have become highly prized collectors' items.
The 20th World Scout Jamboree was held from 28 December 2002-8 January 2003 - broadcasting on station E20AJ from Sattahip, Chonburi Province in Thailand.
XR3J was a special radio amateur station at the World Scout Jamboree 1999 camp site in Chile. The Jamboree amateur radio station used the call sign XR3J. The XR prefix is used in Chile for special events, figure 3 shows the area 3 in Chile and the J stands for Jamboree.
