Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9NDB callsign genealogy
Currently held by MARCHLEWICZ, DENNIS 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 N9NDB's current licensee, walking backwards.
- Bailey, Neal DINgranted 2017-07-12cancelled 2020-09-11
Successor callsigns
Callsigns held now by people who previously held N9NDB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9NDB, oldest first.
- MARCHLEWICZ, DENNIS E IL2002-12-06 → cancelled 2014-12-09
- Bailey, Neal D IN2020-09-11 active