Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9EMS callsign genealogy
Currently held by BLEDSAW, JACK W
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 N9EMS's current licensee, walking backwards.
- VANDERWERKER, RICHARD AILgranted 2008-03-24cancelled 2008-07-15
Successor callsigns
Callsigns held now by people who previously held N9EMS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9EMS, oldest first.
- BLEDSAW, JACK W IL1994-07-28 → cancelled 2006-07-29
- Vanderwerker, Richard A IL2018-04-24 active