Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC8IJP callsign genealogy
Currently held by HEFFERAN, 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 KC8IJP'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 KC8IJP.
- Hefferan, Michael JMIgranted 1997-08-15cancelled 2000-03-28