Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4AGG callsign genealogy
Currently held by Biedler, Andrew
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 KR4AGG's current licensee, walking backwards.
- Biedler, AndrewVAgranted 2024-11-19cancelled 2025-01-07
Successor callsigns
Callsigns held now by people who previously held KR4AGG.
No current licensee on record previously held this callsign.