Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DAM callsign genealogy
Currently held by MASON, DENNIS 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 K4DAM's current licensee, walking backwards.
- MCCLURE, MICHELLE LNCgranted 2014-04-15cancelled 2014-10-03
Successor callsigns
Callsigns held now by people who previously held K4DAM.
- MASON, DENNIS ANCgranted 2009-01-22cancelled 2016-05-07
All historical holders
Every license row we've seen with the callsign K4DAM, oldest first.
- MASON, DENNIS A NC1999-04-21 → cancelled 2008-04-23
- MCCLURE, MICHELLE L NC2014-10-03 active