Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3DPI callsign genealogy
Currently held by HARRISON, JOHN K
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 KB3DPI'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 KB3DPI.
- HARRISON, JOHN KMDgranted 1999-05-05cancelled 2000-02-01