Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF5TX callsign genealogy
Currently held by SIMPSON, LAWRENCE A
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 KF5TX's current licensee, walking backwards.
- SIMPSON, LAWRENCE ATXgranted 2009-04-14cancelled 2014-02-11
Successor callsigns
Callsigns held now by people who previously held KF5TX.
No current licensee on record previously held this callsign.