Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9HAU callsign genealogy
Currently held by Slocum, Roger N
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 W9HAU's current licensee, walking backwards.
- Slocum, Roger NINgranted 2007-04-11cancelled 2007-05-01
Successor callsigns
Callsigns held now by people who previously held W9HAU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9HAU, oldest first.
- SLOCUM, RICHARD M IN1992-09-08 → cancelled 2004-09-09
- Slocum, Roger N FL2017-04-04 active