Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ZRZ callsign genealogy
Currently held by BOSTOCK, ROGER W
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 W1ZRZ's current licensee, walking backwards.
- LEBLANC, KERRYNCgranted 2013-10-17cancelled 2019-12-27
Successor callsigns
Callsigns held now by people who previously held W1ZRZ.
- BOSTOCK, ROGER WFLgranted 2009-12-11cancelled 2013-10-17
All historical holders
Every license row we've seen with the callsign W1ZRZ, oldest first.
- BOSTOCK, ROGER W FL2006-01-10 → cancelled 2009-12-11
- LEBLANC, KERRY NC2019-12-27 active