Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5LPK callsign genealogy
Currently held by Kostyak Jr, Leonard P
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 K5LPK's current licensee, walking backwards.
- Kostyak Jr, Leonard PTXgranted 1998-12-14cancelled 2007-07-17
Successor callsigns
Callsigns held now by people who previously held K5LPK.
No current licensee on record previously held this callsign.