Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4PEF callsign genealogy
Currently held by Anderson, PE, Michael
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 W4PEF's current licensee, walking backwards.
- Anderson PE, MichaelFLgranted 2026-05-09cancelled 2026-06-02
Successor callsigns
Callsigns held now by people who previously held W4PEF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4PEF, oldest first.
- TWEEDY, MARVIN C VA2006-05-04 → cancelled 2018-07-12
- Anderson, PE, Michael FL2026-06-02 active