Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR1KEY callsign genealogy
Currently held by Boldt, Darren 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 KR1KEY's current licensee, walking backwards.
- Barnett-Hill, JakeMAgranted 2025-11-19cancelled 2025-12-23
Successor callsigns
Callsigns held now by people who previously held KR1KEY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR1KEY, oldest first.
- Boldt, Darren J NV2007-09-22 → cancelled 2019-09-24
- Barnett-Hill, Jake MA2025-12-23 active