US Frequency Chart
For those working on the amateur radio merit badge you may need to draw the radio spectrum. You can find a copy of the frequency allocation chart for the United Stated at http://www.ntia.doc.gov/osmhome/allochrt.pdf
For those working on the amateur radio merit badge you may need to draw the radio spectrum. You can find a copy of the frequency allocation chart for the United Stated at http://www.ntia.doc.gov/osmhome/allochrt.pdf
