Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7BYY callsign genealogy
Currently held by PEREZ, JOHN 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 K7BYY's current licensee, walking backwards.
- PEREZ, JOHN JPAgranted 2006-03-02cancelled 2012-07-24
Successor callsigns
Callsigns held now by people who previously held K7BYY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7BYY, oldest first.
- VAN SENUS, JOE WA1988-10-04 → cancelled 2000-10-05
- PEREZ, JOHN J PA2022-07-19 active