Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE7TJB callsign genealogy
Currently held by Frick, Douglas C
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 KE7TJB's current licensee, walking backwards.
- Burbank, TJIDgranted 2015-08-29cancelled 2018-09-29
Successor callsigns
Callsigns held now by people who previously held KE7TJB.
- Frick, Douglas CWYgranted 2008-04-22cancelled 2015-02-24
All historical holders
Every license row we've seen with the callsign KE7TJB, oldest first.
- Frick, Douglas C WY2008-04-22 → cancelled 2008-05-08
- Burbank, TJ ID2018-09-29 active