Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1FFH callsign genealogy
Currently held by Hayes, 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 KB1FFH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KB1FFH.
- Hayes, Robert JMAgranted 2010-05-01cancelled 2022-07-08