Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2FDM callsign genealogy
Currently held by Mazovec, Frank D
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 W2FDM's current licensee, walking backwards.
- Mazovec, Frank DNYgranted 2020-10-07cancelled 2021-12-10
Successor callsigns
Callsigns held now by people who previously held W2FDM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2FDM, oldest first.
- Witte, Robert F FL2004-02-14 → cancelled 2016-02-17
- Mazovec, Frank D NY2021-12-10 active