Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1JDH callsign genealogy
Currently held by HEPLER, JAMES D
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 W1JDH's current licensee, walking backwards.
- HEPLER, JAMES DPAgranted 1999-08-09cancelled 1999-09-30
Successor callsigns
Callsigns held now by people who previously held W1JDH.
No current licensee on record previously held this callsign.