Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA5TLM callsign genealogy
Currently held by McCormick, Thomas 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 KA5TLM's current licensee, walking backwards.
- McCormick, Thomas LTXgranted 2009-10-06cancelled 2017-08-05
Successor callsigns
Callsigns held now by people who previously held KA5TLM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA5TLM, oldest first.
- RITCHIE, RUTH E NM1994-03-15 → cancelled 2006-03-16
- McCormick, Thomas L TX2017-08-05 active