Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1OWL callsign genealogy
Currently held by Deutsch, Richard
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 N1OWL's current licensee, walking backwards.
- MACISAAC, BO BMEgranted 2022-04-04cancelled 2022-04-22
Successor callsigns
Callsigns held now by people who previously held N1OWL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1OWL, oldest first.
- DEUTSCH, JOEL CT2003-01-21 → cancelled 2007-08-05
- Deutsch, Richard NY2008-07-25 → cancelled 2020-07-28
- MacIsaac, Bo B ME2022-04-22 active