Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9ZHJ callsign genealogy
Currently held by Howard, Robert S
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 K9ZHJ's current licensee, walking backwards.
- Howard, Robert SAZgranted 2009-09-28cancelled 2009-10-16
Successor callsigns
Callsigns held now by people who previously held K9ZHJ.
- Howard, Robert SAZgranted 2020-11-04