Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5ELF callsign genealogy
Currently held by COOK, HEATHER D
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 K5ELF's current licensee, walking backwards.
- Miller, Eric RTXgranted 2013-10-30cancelled 2014-01-24
Successor callsigns
Callsigns held now by people who previously held K5ELF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5ELF, oldest first.
- COOK, HEATHER D LA1999-10-23 → cancelled 2011-10-25
- Miller, Eric R TX2023-11-25 active