Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8PTT callsign genealogy
Currently held by Kirchhofer, Timothy J
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 W8PTT's current licensee, walking backwards.
- Kirchhofer, Tim JOHgranted 2001-05-14cancelled 2002-08-16
Successor callsigns
Callsigns held now by people who previously held W8PTT.
No current licensee on record previously held this callsign.