Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD1U callsign genealogy
Currently held by EDIGHOFFER, EARL A
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 KD1U's current licensee, walking backwards.
- Moon, Young KWAgranted 2003-11-20cancelled 2004-10-30
Successor callsigns
Callsigns held now by people who previously held KD1U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD1U, oldest first.
- EDIGHOFFER, EARL A FL1996-09-04 → cancelled 2003-12-18
- Moon, Young K WA2024-09-24 active