RAC meaning in Radio Science ?

Radio Amateurs of Canada (RAC), known in French as Radio Amateurs du Canada, is the national association for Amateur Radio in Canada. It is a not-for-profit membership association with headquarters in Ottawa, Ontario, Canada, representing the interests of Amateur Radio all across Canada. Speaking on behalf of Canadian Radio Amateurs, RAC provides liaison with government agencies and carries the Amateur voice about regulatory and spectrum issues to the discussion table with government and industry leaders, nationally and internationally.

RAC is the Canadian voting member society of the International Amateur Radio Union. RAC also provides many services, publications and supplies to its members to enhance their enjoyment of Amateur Radio.

The organization publishes a bimonthly magazine distributed to members called The Canadian Amateur.