The many calls of Facility ID #135143

WLIZ-LP 92.9 Gap PA changes calls to WLAL-LP, its 15th call change in four years. Will somone please explain this to me? http://www.geocities.com/wliz929/

Call Sign - Begin Date
WLAL-LP 04/23/2007
WLIZ-LP 03/12/2007
WPAG-LP 08/17/2006
WOMB-LP 07/01/2006
WTPP-LP 06/13/2006
WLIZ-LP 05/01/2006
WLRI-LP 09/15/2005
WOBS-LP 05/16/2005
WLBX-LP 05/09/2005
WGPQ-LP 04/20/2005
WOBS-LP 12/20/2004
WLDW-LP 10/16/2004
WOMB-LP 05/12/2004
WGCP-LP 04/23/2004
WOMB-LP 10/27/2003