Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD6KD callsign genealogy
Currently held by Cahill, John P
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 AD6KD's current licensee, walking backwards.
- Cahill, John PCAgranted 2000-03-23cancelled 2000-04-05
Successor callsigns
Callsigns held now by people who previously held AD6KD.
No current licensee on record previously held this callsign.