Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3NWR callsign genealogy
Currently held by SLEEMAN, SEAN T
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 N3NWR's current licensee, walking backwards.
- SLEEMAN, SEAN TPAgranted 2002-12-18cancelled 2009-03-20
Successor callsigns
Callsigns held now by people who previously held N3NWR.
- SLEEMAN, SEAN TPAgranted 2002-12-18cancelled 2009-03-20
All historical holders
Every license row we've seen with the callsign N3NWR, oldest first.
- SLEEMAN, SEAN T PA2002-12-18 → cancelled 2005-10-12
- SLEEMAN, SEAN T PA2019-02-15 active