Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2TJR callsign genealogy
Currently held by Seifert Jr, Theodore H
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 K2TJR's current licensee, walking backwards.
- Seifert Jr, Theodore HORgranted 2007-12-07cancelled 2009-10-31
Successor callsigns
Callsigns held now by people who previously held K2TJR.
- Seifert Jr, Theodore HORgranted 2025-03-14