Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N8AO callsign genealogy
Currently held by JAHNCKE, DONALD 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 N8AO's current licensee, walking backwards.
- KREMENSKI, THOMAS MMIgranted 2024-04-18cancelled 2025-08-01
Successor callsigns
Callsigns held now by people who previously held N8AO.
- JAHNCKE, DONALD EMIgranted 2023-07-11
All historical holders
Every license row we've seen with the callsign N8AO, oldest first.
- HATHAWAY, ROGER F MA1997-03-21 → cancelled 2002-09-25
- JAHNCKE, DONALD E MI2014-11-22 → cancelled 2023-07-11
- KREMENSKI, THOMAS M MI2025-08-01 active