User contributions
- 02:17, 12 December 2020 diff hist +41 Department of State Police (MI) →Map of Districts and Posts
- 18:57, 28 November 2020 diff hist -1 m Civil Air Patrol →NEW - Narrowband Repeaters
- 18:27, 28 November 2020 diff hist -129 m W.K. Kellogg Airport (BTL) Calhoun County (MI) →Frequencies not in the RRDB
- 18:18, 28 November 2020 diff hist +4 Michigan MilAir Reference →Military Air Bases in Michigan current
- 18:14, 28 November 2020 diff hist +69 110th Airlift Wing current
- 15:16, 11 October 2019 diff hist -33 m Calhoun County (MI) →Schools
- 15:12, 11 October 2019 diff hist -50 m Calhoun County (MI) →Police Numbering Plan
- 15:11, 11 October 2019 diff hist 0 m Calhoun County (MI) →Police Numbering Plan
- 04:58, 9 May 2018 diff hist -18 m Calhoun County (MI) →Fire/EMS Pager Tones
- 00:39, 1 April 2018 diff hist +35 m Calhoun County (MI) →EMS Agencies and Hospitals
- 15:57, 31 January 2018 diff hist +1,043 Barry County (MI) current
- 22:31, 30 May 2016 diff hist 0 m Calhoun County (MI) →Police Numbering Plan
- 02:22, 28 March 2016 diff hist +62 m Chicago (IL) F.D. Station Locations →Chicago (IL) F.D. Station Locations
- 01:52, 28 March 2016 diff hist +1 m Chicago (IL) F.D. Station Locations →1st District
- 01:38, 28 March 2016 diff hist +1 m Cook County (IL) Chicago City →Chicago Fire Department and EMS
- 01:36, 28 March 2016 diff hist -31 m Cook County (IL) Chicago City →Metropolitan Pier and Exposition Authority - UHF-T (Chicago)
- 18:50, 13 March 2016 diff hist -9 m Calhoun County (MI) →Fire/EMS Pager Tones
- 18:48, 13 March 2016 diff hist +9 m Calhoun County (MI) →Fire Departments/Numbering Plan
- 18:47, 13 March 2016 diff hist -10 m Calhoun County (MI) →Fire Departments/Numbering Plan
- 18:46, 13 March 2016 diff hist -84 m Calhoun County (MI) →Police Numbering Plan