Argentina - special amateur radio callsigns

Amateur Radio operators in Argentina will be celebrating their 'May Bicentennial Revolution' this month.

In commemoration, the Radio Club Argentino (RCA), National IARU Member Society announced that all Argentine radio amateurs will be allowed to change their callsign's
prefixes between May 22-25th, according to the following criteria:

LU stations will shift their prefixes to LR
LW to LV
AZ to LT
Amateur Radio Clubs and Associations to LS
Scouts Groups, Schools and any other institutions holding a license to AY.

A special two class award will be issued to radio amateurs and SWL's worldwide who achieve a certain number of prefixes. Since this event is a very special occasion for Argentina, they invite everybody to join them on the air.
For more details, please visit:
http://www.lu4aa.org/bi/awards.htm