Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9TBC callsign genealogy
Currently held by Lehman, Cathy
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 K9TBC's current licensee, walking backwards.
- Lehman, CathyPAgranted 2023-05-02cancelled 2023-06-03
Successor callsigns
Callsigns held now by people who previously held K9TBC.
No current licensee on record previously held this callsign.