Confidence: Medium · Source: FCC ULS · As of 2026-09-11
W2DFZ callsign genealogy
Currently held by Borysoff, Michael
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 W2DFZ's current licensee, walking backwards.
- Diegel, James FNYgranted 2020-02-26cancelled 2020-05-12
Successor callsigns
Callsigns held now by people who previously held W2DFZ.
- Diegel, James FNYgranted 2020-12-15
All historical holders
Every license row we've seen with the callsign W2DFZ, oldest first.
- Borysoff, Michael NY2005-10-07 → cancelled 2017-11-29
- Diegel, James F NY2020-05-12 → cancelled 2020-12-15