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- 21:29, 10 February 2014 diff hist +56 Carroll County (MD) Dispatch Tones
- 21:20, 10 February 2014 diff hist -10 Carroll County (MD) Dispatch Tones
- 21:12, 10 February 2014 diff hist +297 N Carroll County (MD) Dispatch Tones Created page with "This is a list of the Carroll County MD dispatch tones. The tones were found by recording a scanner feed of dispatches and using Audacity to determine the frequency of the tones...."
- 20:51, 10 February 2014 diff hist +199 N File:File-Carroll County MD Dispatch Tones.pdf This is a list of the Carroll County MD dispatch tones. The tones were found by recording a scanner feed of dispatches and using Audacity to determine the frequency of the tones. List created 9/2013 current