Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ZF callsign genealogy
Currently held by LEVIT, JOSEPH L
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 W1ZF's current licensee, walking backwards.
- LOCKHART, DONALD CMAgranted 2006-06-23cancelled 2016-04-19
Successor callsigns
Callsigns held now by people who previously held W1ZF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1ZF, oldest first.
- LEVIT, JOSEPH L CA2004-01-02 → cancelled 2016-03-30
- LOCKHART, DONALD C VT2016-04-19 active