Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4EFS callsign genealogy
Currently held by MILLIGAN, REBECCA L
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 N4EFS's current licensee, walking backwards.
- MILLIGAN, REBECCA LSCgranted 2016-05-19cancelled 2016-06-18
Successor callsigns
Callsigns held now by people who previously held N4EFS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4EFS, oldest first.
- SKINNER, JAMES P KY2000-01-14 → cancelled 2012-01-18
- MILLIGAN, REBECCA L SC2026-03-21 active