Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9HMP callsign genealogy
Currently held by SUTTON, WILLIAM C
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 W9HMP's current licensee, walking backwards.
- SUTTON SR, JON FWIgranted 2003-07-02cancelled 2009-04-21
Successor callsigns
Callsigns held now by people who previously held W9HMP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9HMP, oldest first.
- SUTTON, WILLIAM C MO2003-10-01 → cancelled 2008-05-28
- SUTTON SR, JON F AZ2019-02-06 active