Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4PYC callsign genealogy
Currently held by Halnon, Jeffrey J
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 W4PYC's current licensee, walking backwards.
- Halnon, Jeffrey JFLgranted 2025-07-22cancelled 2025-09-26
Successor callsigns
Callsigns held now by people who previously held W4PYC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4PYC, oldest first.
- Pensacola Yacht Club Amateur Radio Group FL2010-11-16 → cancelled 2022-11-17
- Halnon, Jeffrey J FL2025-09-26 active