Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N8DBM callsign genealogy
Currently held by TWYMAN, EARL E
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 N8DBM's current licensee, walking backwards.
- Mason, Darlene BWVgranted 2004-07-16cancelled 2013-02-15
Successor callsigns
Callsigns held now by people who previously held N8DBM.
- TWYMAN, EARL EAZgranted 2013-09-04cancelled 2025-09-13
All historical holders
Every license row we've seen with the callsign N8DBM, oldest first.
- TWYMAN, EARL E NV2003-04-19 → cancelled 2003-09-12
- Mason, Darlene B WV2024-01-05 active