Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9AJC callsign genealogy
Currently held by SUMMERFIELD, DAVID E
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 W9AJC's current licensee, walking backwards.
- SUMMERFIELD, DAVID EILgranted 2000-02-08cancelled 2000-04-25
Successor callsigns
Callsigns held now by people who previously held W9AJC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9AJC, oldest first.
- NELSEN, HUBERT R MI1990-01-30 → cancelled 1994-12-24
- SUMMERFIELD, DAVID E AL2020-02-12 active