Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DLP callsign genealogy
Currently held by PECK, DAVID L
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 W4DLP's current licensee, walking backwards.
- PECK, DAVID LFLgranted 2021-03-02cancelled 2021-05-25
Successor callsigns
Callsigns held now by people who previously held W4DLP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DLP, oldest first.
- HARRIS JR, JAMES H FL2007-10-18 → cancelled 2020-01-17
- PECK, DAVID L FL2021-05-25 active