Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9OS callsign genealogy
Currently held by Needles, Eric 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 AB9OS's current licensee, walking backwards.
- Needles, Eric DILgranted 1997-11-04cancelled 2007-06-20
Successor callsigns
Callsigns held now by people who previously held AB9OS.
No current licensee on record previously held this callsign.