Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4EMB callsign genealogy
Currently held by Philip, Jonathan 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 N4EMB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4EMB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4EMB, oldest first.
- CARTWRIGHT, CHARLES B NC2003-01-15 → cancelled 2015-01-16
- Philip, Jonathan W KY2023-04-29 active