User contributions
- 00:00, 30 December 2019 diff hist +234 m Wayne County (MI) →Fire Pager Codes - Reed frequencies
- 13:21, 12 June 2011 diff hist +47 Washtenaw County (MI) →Fire Tones
- 18:35, 29 May 2011 diff hist +65 Oakland County (MI) Fire/EMS
- 22:48, 1 May 2011 diff hist +65 Washtenaw County (MI) →County Fire Units
- 22:45, 1 October 2010 diff hist +176 Michigan (US) →Web Sites
- 19:57, 13 December 2009 diff hist -8 Oakland County (MI) Fire/EMS →Novi Fire tones (423.050 MHz)
- 19:56, 13 December 2009 diff hist +5 Oakland County (MI) Fire/EMS →Novi Fire tones (423.050 MHz)
- 19:55, 13 December 2009 diff hist +32 Oakland County (MI) Fire/EMS →Novi Fire tones (423.050 MHz)
- 16:33, 9 October 2009 diff hist -58 Chippewa County (MI)
- 00:11, 3 June 2009 diff hist +31 Wayne County (MI) →Fire Pager Codes - Reed frequencies