Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7TH callsign genealogy
Currently held by SHANNON, GARY L
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K7TH's current licensee, walking backwards.
- SHANNON, GARY LMIgranted 2012-06-08cancelled 2016-12-09
- SHANNON, GARY LTNgranted 2008-04-11cancelled 2012-06-08
- SHANNON, GARY LTNgranted 2007-07-06cancelled 2008-04-11
- SHANNON, GARY LCOgranted 2005-03-19cancelled 2007-07-06
- LAWRENCE, STANLEY WUTgranted 2016-09-13
- LAWRENCE, STANLEY WUTgranted 2016-07-26cancelled 2016-09-13
Successor callsigns
Callsigns held now by people who previously held K7TH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7TH, oldest first.
- WHITMIRE, JAMES C WA2006-10-26 → cancelled 2014-11-19
- SHANNON, GARY L MI2016-12-09 active