Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4PNG callsign genealogy
Currently held by GLASKOWSKY, PETER
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 K4PNG's current licensee, walking backwards.
- GLASKOWSKY, PETER NWAgranted 2005-04-19cancelled 2012-01-10
Successor callsigns
Callsigns held now by people who previously held K4PNG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4PNG, oldest first.
- MICHELSON, HERMAN KY1994-08-24 → cancelled 2006-08-25
- GLASKOWSKY, PETER CA2024-01-18 active