Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3DPI 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 K3DPI's current licensee, walking backwards.
- HARRISON, JOHN Kcancelled 1999-05-05
Successor callsigns
Callsigns held now by people who previously held K3DPI.
- HARRISON, JOHN KMDgranted 2019-12-04