Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB5YD callsign genealogy
Currently held by SPENCER, SCOTT 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 AB5YD's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB5YD.
All historical holders
Every license row we've seen with the callsign AB5YD, oldest first.
- SPENCER, SCOTT D NM1994-10-13 → cancelled 2002-05-07
- SPENCER, SCOTT D CA2013-06-04 → cancelled 2017-03-25