Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9UU callsign genealogy
Currently held by FEINSTEIN, LOWELL B
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 AB9UU's current licensee, walking backwards.
- FEINSTEIN, LOWELL BILgranted 2009-09-21cancelled 2009-10-07
Successor callsigns
Callsigns held now by people who previously held AB9UU.
No current licensee on record previously held this callsign.