Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9UYJ callsign genealogy
Currently held by Geiger, Robert J
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 N9UYJ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held N9UYJ.
- Geiger Sr., Robert JILgranted 2026-02-18