Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MFR callsign genealogy
Currently held by O Mara, Mary F
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 N4MFR's current licensee, walking backwards.
- Kampa, Mary FTNgranted 2003-07-17cancelled 2003-10-03
Successor callsigns
Callsigns held now by people who previously held N4MFR.
No current licensee on record previously held this callsign.