Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8YU callsign genealogy
Currently held by HEATH, ROBERT E
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 W8YU's current licensee, walking backwards.
- Sprinkle, Douglas WMIgranted 1998-06-19cancelled 2001-04-20
Successor callsigns
Callsigns held now by people who previously held W8YU.
- HEATH, ROBERT EMIgranted 2008-11-26cancelled 2020-11-28
All historical holders
Every license row we've seen with the callsign W8YU, oldest first.
- Sprinkle, Douglas W MI2021-01-27 active
- HEATH, ROBERT E— → cancelled 1998-11-24