Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9CN callsign genealogy
Currently held by Pappas, Michael J
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 W9CN's current licensee, walking backwards.
- Pappas, Michael JCOgranted 2007-02-09cancelled 2008-04-08
Successor callsigns
Callsigns held now by people who previously held W9CN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9CN, oldest first.
- NAUMAN, JOHN G FL2005-03-03 → cancelled 2006-03-12
- Pappas, Michael J CO2018-01-30 active