Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6HRB callsign genealogy
Currently held by SHEEN JR, WILLIAM M
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 KB6HRB's current licensee, walking backwards.
- Sheen, John PCAgranted 2026-02-28cancelled 2026-04-21
Successor callsigns
Callsigns held now by people who previously held KB6HRB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6HRB, oldest first.
- SHEEN JR, WILLIAM M CA2012-02-23 → cancelled 2024-05-07
- Sheen, John P CA2026-04-21 active