Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD9DKM callsign genealogy
Currently held by Horgan, Craig 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 WD9DKM's current licensee, walking backwards.
- Horgan, Craig AFLgranted 2023-03-17cancelled 2023-04-04
Successor callsigns
Callsigns held now by people who previously held WD9DKM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD9DKM, oldest first.
- HORGAN, CRAIG A AR1988-11-29 → cancelled 2000-11-30
- Horgan, Craig A FL2023-04-04 active