Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9MRQ callsign genealogy
Currently held by Book, Frederick P
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 N9MRQ's current licensee, walking backwards.
- Book, Frederick PILgranted 2019-03-15cancelled 2019-05-31
Successor callsigns
Callsigns held now by people who previously held N9MRQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9MRQ, oldest first.
- BOHNEY, EDWARD A IN1991-11-19 → cancelled 2003-11-20
- Book, Frederick P IL2019-05-31 active