Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4CFS callsign genealogy
Currently held by Blair, Margaret 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 N4CFS's current licensee, walking backwards.
- Blair, Margaret LTNgranted 2022-03-04cancelled 2022-03-22
Successor callsigns
Callsigns held now by people who previously held N4CFS.
No current licensee on record previously held this callsign.