Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0AHH callsign genealogy
Currently held by MERCER, LEO 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 N0AHH's current licensee, walking backwards.
- Townsend, Noah JOHgranted 2024-12-27cancelled 2025-03-22
Successor callsigns
Callsigns held now by people who previously held N0AHH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0AHH, oldest first.
- MERCER, LEO L MN1995-06-21 → cancelled 2007-06-22
- McEwen, Shawn A CT2009-10-20 → cancelled 2021-10-21
- Townsend, Noah J OH2025-03-22 active