Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8YRB callsign genealogy
Currently held by UNDERWOOD, ROBERT D
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 W8YRB's current licensee, walking backwards.
- UNDERWOOD, ROBERT DMIgranted 1997-07-28cancelled 2001-01-09
Successor callsigns
Callsigns held now by people who previously held W8YRB.
- UNDERWOOD, ROBERT DCAgranted 2026-07-02