Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4YMW callsign genealogy
Currently held by Doolos, Catherine 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 N4YMW's current licensee, walking backwards.
- Doolos, Catherine LNCgranted 2024-03-21cancelled 2024-04-09
Successor callsigns
Callsigns held now by people who previously held N4YMW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4YMW, oldest first.
- DOOLOS, CATHERINE L NC2010-04-17 → cancelled 2022-06-23
- Doolos, Catherine L NC2024-04-09 active