Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4SWA callsign genealogy
Currently held by Abercrombie, Shawn 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 N4SWA's current licensee, walking backwards.
- Abercrombie, Shawn WGAgranted 2014-10-31cancelled 2014-11-21
Successor callsigns
Callsigns held now by people who previously held N4SWA.
No current licensee on record previously held this callsign.