History: Chronology of call letters KGDM

5 March 2014

• curprev 18:4818:48, 5 March 2014‎ BRG talk contribs‎ 470 bytes −470‎ cleanup
• curprev 18:4718:47, 5 March 2014‎ BRG talk contribs‎ 940 bytes +487‎ added 1/31/28 data

10 January 2014

• curprev 19:2519:25, 10 January 2014‎ BRG talk contribs‎ 453 bytes +32‎ added 1941 data

15 December 2011

• curprev 17:2917:29, 15 December 2011‎ BRG talk contribs‎ 421 bytes −180‎ merged data
• curprev 17:2817:28, 15 December 2011‎ BRG talk contribs‎ 601 bytes +296‎ added 1928 data

21 July 2007

• curprev 17:3617:36, 21 July 2007‎ BRG talk contribs‎ 305 bytes +305‎ New page: {{subst:Call letter listing|June 30, 1927|Stockton, California|1380|Victor G. Koping and E. F. Peffer}}