Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW9TTX callsign genealogy
Currently held by HOFFER, 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 KW9TTX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KW9TTX.
No current licensee on record previously held this callsign.