Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA4KD callsign genealogy
Currently held by DERINGER, KEITH M
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 WA4KD's current licensee, walking backwards.
- DERINGER, KEITH MVAgranted 1995-11-22cancelled 2000-01-25
Successor callsigns
Callsigns held now by people who previously held WA4KD.
No current licensee on record previously held this callsign.