Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3PDK callsign genealogy
Currently held by Kobezak, Philip D
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 W3PDK's current licensee, walking backwards.
- Kobezak, Philip DVAgranted 2014-05-06cancelled 2015-03-17
Successor callsigns
Callsigns held now by people who previously held W3PDK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3PDK, oldest first.
- MARIS JR, ELLIS H RI2000-12-30 → cancelled 2013-03-06
- Kobezak, Philip D CA2025-05-16 active