Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7HYO callsign genealogy
Currently held by SAWYER, ZACHARY P
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 K7HYO's current licensee, walking backwards.
- SAWYER, ZACHARY PUTgranted 2014-01-22cancelled 2018-03-31
Successor callsigns
Callsigns held now by people who previously held K7HYO.
No current licensee on record previously held this callsign.