Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3TFP callsign genealogy
Currently held by MITCHUM, WILLIE 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 W3TFP's current licensee, walking backwards.
- Shibler, Michael CPAgranted 2018-11-27cancelled 2018-12-18
Successor callsigns
Callsigns held now by people who previously held W3TFP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3TFP, oldest first.
- MITCHUM, WILLIE E AL2000-05-17 → cancelled 2002-03-13
- Shibler, Michael C PA2018-12-18 active