Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5ELR callsign genealogy
Currently held by CHANG, EDWARD
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 K5ELR's current licensee, walking backwards.
- GILBERT, DOC LOKgranted 2008-03-13cancelled 2008-09-12
Successor callsigns
Callsigns held now by people who previously held K5ELR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5ELR, oldest first.
- CHANG, EDWARD NM1996-07-29 → cancelled 2008-07-30
- GILBERT, DOC L OK2018-06-20 active