Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0BLU callsign genealogy
Currently held by Allen, Benjamin 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 N0BLU's current licensee, walking backwards.
- Allen, Benjamin MIAgranted 2009-08-18cancelled 2010-09-14
Successor callsigns
Callsigns held now by people who previously held N0BLU.
- WILEY, JAMES MCOgranted 2013-09-10cancelled 2025-09-17
All historical holders
Every license row we've seen with the callsign N0BLU, oldest first.
- WILEY, JAMES M CO2001-04-19 → cancelled 2003-09-16
- Allen, Benjamin M TX2022-06-29 active