Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AJ6LU callsign genealogy
Currently held by Grabowsky, Harald
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 AJ6LU's current licensee, walking backwards.
- Grabowsky, HaraldCAgranted 2019-08-07cancelled 2019-09-20
Successor callsigns
Callsigns held now by people who previously held AJ6LU.
No current licensee on record previously held this callsign.