Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4OQP callsign genealogy
Currently held by Mannix, Michael 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 N4OQP's current licensee, walking backwards.
- Mannix, Michael LFLgranted 2008-10-16cancelled 2008-11-07
Successor callsigns
Callsigns held now by people who previously held N4OQP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4OQP, oldest first.
- MANNIX, MICHAEL L FL1996-09-11 → cancelled 2008-09-12
- Mannix, Michael L FL2008-11-07 → cancelled 2020-11-10