Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9NMC callsign genealogy
Currently held by Zastrow, Mary E
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 W9NMC's current licensee, walking backwards.
- Zastrow, Mary EWIgranted 2001-04-09cancelled 2001-08-04
Successor callsigns
Callsigns held now by people who previously held W9NMC.
No current licensee on record previously held this callsign.