Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1HIO callsign genealogy
Currently held by PIERCE, STEPHEN 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 W1HIO's current licensee, walking backwards.
- PIERCE, STEPHEN JVTgranted 2003-10-14cancelled 2010-01-26
Successor callsigns
Callsigns held now by people who previously held W1HIO.
- Cummings, Walter CMAgranted 1997-12-03cancelled 2009-12-04
All historical holders
Every license row we've seen with the callsign W1HIO, oldest first.
- PIERCE, STEPHEN J VT2019-11-14 active
- CUMMINGS, WALTER C— → cancelled 1997-12-03