Third weekend of August
(2022/08/20) CW 21:00 UTC Start
(2022/08/21) CW 21:00 UTC End
Fourth full weekend of August
(27/08/2022) SSB 21:00 (UTC) Start
(28/08/2022) SSB 21:00 (UTC) End
See Regulation in Portuguese, English and Spanish at;
The CRAEC - Radio Amateur Club of the School of Communications aims to increase and disseminate the healthy practice of radio amateurs, within the scope of the Brazilian Army; to continue the activities related to the realization of the Green - Yellow Contest, created in 1960, in order, during Army Week, to highlight the distinguished figure of its Patron, the Duque de Caxias; and to promote the entry of new radio amateurs into the National Amateur Radio Network.
In addition to participating in several contests around the country and around the world, CRAEC is responsible for organizing the Green and Yellow Contest or CVA DX Contest, which in turn is in its 62nd edition.
CVA DX, Contest: REGULATION