Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB1DYZ callsign genealogy
Currently held by MC PARTLAND, WILLIAM J
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 WB1DYZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WB1DYZ.
- MC PARTLAND, WILLIAM JCAgranted 2001-09-18cancelled 2003-01-14