Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1PLH callsign genealogy
Currently held by WINSLOW JR, CHARLES H
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 W1PLH's current licensee, walking backwards.
- HAYES SR, PHILIP LCTgranted 2016-01-21cancelled 2024-10-29
Successor callsigns
Callsigns held now by people who previously held W1PLH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1PLH, oldest first.
- WINSLOW JR, CHARLES H MA1993-10-26 → cancelled 1999-11-29
- WINSLOW, RONALD C MA2010-08-07 → cancelled 2022-08-06
- HAYES SR, PHILIP L CT2024-10-29 active