Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9ZMF callsign genealogy
Currently held by Leonard, Peter J
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 W9ZMF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W9ZMF.
- Leonard, Peter JWIgranted 2021-12-24cancelled 2025-12-30
All historical holders
Every license row we've seen with the callsign W9ZMF, oldest first.
- SMITH, NILE E IL1988-08-30 → cancelled 2000-09-01
- Leonard, Peter J WI2021-01-15 → cancelled 2021-12-24