Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3ZHZ callsign genealogy
Currently held by Childrens Hospital Of Pittsburgh Disaster HAM Services
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 KB3ZHZ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB3ZHZ.
- KF2CHPexpiredChildrens Hospital Of Pittsburgh Disaster HAM ServicesPAgranted 2012-11-20cancelled 2024-12-04