Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA5OS callsign genealogy
Currently held by KNIPPA, JAMES I
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 AA5OS's current licensee, walking backwards.
- KB5IVQno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AA5OS.
- KNIPPA, JAMES ITXgranted 2022-01-07