Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA8RK callsign genealogy
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 AA8RK's current licensee, walking backwards.
- KATZ, RALPHMIgranted 2005-05-02cancelled 2008-01-01
Successor callsigns
Callsigns held now by people who previously held AA8RK.
- HART, NILES ANCgranted 2019-06-18
All historical holders
Every license row we've seen with the callsign AA8RK, oldest first.
- KATZ, RALPH MI2017-11-08 active
- —— → cancelled 1999-03-03