Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1TJR callsign genealogy
Currently held by Rowland PhD Jr, Thomas J
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 K1TJR's current licensee, walking backwards.
- Rowland Jr, Thomas JVAgranted 2010-06-07cancelled 2010-06-26
Successor callsigns
Callsigns held now by people who previously held K1TJR.
No current licensee on record previously held this callsign.