Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ESP callsign genealogy
Currently held by BEHNKEN III, BENJAMIN T
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 W4ESP's current licensee, walking backwards.
- BEHNKEN III, BENJAMIN TFLgranted 2003-12-13cancelled 2006-09-23
Successor callsigns
Callsigns held now by people who previously held W4ESP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4ESP, oldest first.
- BEHNKEN, WILLIAM E GA1993-10-19 → cancelled 2005-10-20
- BEHNKEN III, BENJAMIN T FL2026-07-28 active