Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DVD callsign genealogy
Currently held by Calahan, Leonard L
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 K4DVD's current licensee, walking backwards.
- Calahan, Leonard LFLgranted 1999-07-01cancelled 2006-01-07
Successor callsigns
Callsigns held now by people who previously held K4DVD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DVD, oldest first.
- Bruce, Phillip D TN2002-02-01 → cancelled 2002-02-04
- Calahan, Leonard L FL2015-12-02 active