Monthly critical radio frequencies in Washington, D.C., May 1934 – April 1954. These frequencies reflect the highest radio frequency that can be used for broadcasting

• Provider: Time Series Data Library
• Source URL: http://datamarket.com/data/list/?q=provider:tsdl
• Catalog: Monthly from May. 1934 to Apr. 1954
• Localized to: English
• Description:

  Physics, Source: Newton (1988), in file: data/cradfq, Description: Monthly critical radio frequencies in Washington, D.C., May 1934 – April 1954. These frequencies reflect the highest radio frequency that can be used for broadcasting

• Dimensions