Confidence: Medium · Source: FCC ULS · As of 2026-09-15
K5TTB callsign genealogy
Currently held by Parker, Lois M
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 K5TTB's current licensee, walking backwards.
- Parker, Lois MTXgranted 2014-09-19cancelled 2014-10-15
Successor callsigns
Callsigns held now by people who previously held K5TTB.
No current licensee on record previously held this callsign.