Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8PTB callsign genealogy
Currently held by Trinko, Donald E
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 W8PTB's current licensee, walking backwards.
- Trinko, Donald EOHgranted 2007-05-07cancelled 2009-03-07
Successor callsigns
Callsigns held now by people who previously held W8PTB.
No current licensee on record previously held this callsign.