Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7LU callsign genealogy
Currently held by Holbrook Sr, Kurt 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 AD7LU's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AD7LU.
- Holbrook Sr, Kurt DUTgranted 2017-02-08