Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4HWP callsign genealogy
Currently held by Prenderville, Harold W
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 KF4HWP's current licensee, walking backwards.
- PRENDERVILLE, HAROLD Wcancelled 1999-01-13
Successor callsigns
Callsigns held now by people who previously held KF4HWP.
- OWENS, CHARLES EKYgranted 2016-09-28