Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AH6UM callsign genealogy
Currently held by UEDA, SPENCER S
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 AH6UM's current licensee, walking backwards.
- UEDA, SPENCER SHIgranted 2003-06-13cancelled 2006-05-05
Successor callsigns
Callsigns held now by people who previously held AH6UM.
- UEDA, SPENCER SHIgranted 2008-06-21cancelled 2011-06-21