Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1CEO callsign genealogy
Currently held by DABOS, PETER 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 N1CEO's current licensee, walking backwards.
- Dabos, Peter LMAgranted 2012-11-21cancelled 2012-12-18
Successor callsigns
Callsigns held now by people who previously held N1CEO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1CEO, oldest first.
- DABOS, PETER L MA1991-11-12 → cancelled 2003-11-13
- Dabos, Peter L MA2022-09-23 active