Gordon C. Edwards, 64, a retired Navy Department authority on Communications, died of Cancer Sept. 7 at George Washington University Hospital.

He had retired in 1970 at Civilian director of the facilities division of the Navy Communications Command at the Pentagon, a position he had held since 1961.

Mr. Edward joined the communications branch of the Navy Bureau of Yards and Docks in 1943. During his years with the Navy, he was involved in the Texas Towers project off the coast of New England and with assignments as an antenna location expert in Norway, Italy Australia.

Born in Newton, Mass., Mr. Edwards attended the Massachusetts Institute of Technology and received a degree in civil engineering from Worcester Polytechnic Institute.

He first worked for the Army Corps of Engineers in Maine and the New Bedford, Mass harbor area. He then transferred in the late 1930s to the Navy and was sent to the Panama Canal Zone to work on the bomb-proofing of the canal locks before World War II.

In the early 1940s Mr. Edwards came here as an Army inspector on the construction work at the Pentagon. At that time he built a home in what is now Springfield, Va He had lived thre since.

There was only a combination post office and railroad freight shed in that area then, and only a school a church tow stores and two gas stations in an adjoining community, known as Annandale.

Mr. Edwards was active in the development of Springfield and was a charter member and former president of the Annandale Citizens Association.

He had been an active radio operator form the basement of his home in Springfield, and spoke four languages.

After retiring from the Navy, Mr. Edwards was active in the Lynch and Carr real estate firms.

He is survived by his wife, Elidia T. Cadanha Edwards, of the home; a son, Roger, of Marshall, Va.; a daughter, Virginia L. Kohis, of Springfield; his mother, Bessie Edwards, of Natick, Mass, two brothers, three sisters, and three grandchildren.