Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA1JFM callsign genealogy
Currently held by Maziarski, Jeffrey 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 WA1JFM's current licensee, walking backwards.
- Maziarski, Jeffrey FWAgranted 2020-10-21cancelled 2020-12-15
Successor callsigns
Callsigns held now by people who previously held WA1JFM.
No current licensee on record previously held this callsign.