Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6WHM callsign genealogy
Currently held by RICHARDSON, ROBERT B
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 W6WHM's current licensee, walking backwards.
- Richardson, Christopher KCAgranted 2002-03-13cancelled 2002-05-28
Successor callsigns
Callsigns held now by people who previously held W6WHM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6WHM, oldest first.
- RICHARDSON, ROBERT B CA1994-10-25 → cancelled 2001-02-19
- Richardson, Christopher K NC2025-01-01 active