Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7HIO callsign genealogy
Currently held by Washington County ARES/RACES
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 K7HIO's current licensee, walking backwards.
- KD7OFBcancelledHillsboro ARES/RACESORgranted 2001-08-24cancelled 2001-09-25
Successor callsigns
Callsigns held now by people who previously held K7HIO.
No current licensee on record previously held this callsign.