Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1AH callsign genealogy
Currently held by HOSA JR, ADAM E
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 N1AH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N1AH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1AH, oldest first.
- GUIDA, CHRISTOPHER P ME1997-11-24 → cancelled 2009-11-25
- HOSA JR, ADAM E CT2019-10-30 active