Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1ZTP callsign genealogy
Currently held by Heavey, Michael 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 KB1ZTP'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 KB1ZTP.
- Heavey, Michael JMEgranted 2015-10-17cancelled 2019-04-16