Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD5JDH callsign genealogy
Currently held by Bumgardner, John 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 WD5JDH's current licensee, walking backwards.
- Bumgardner, John LLAgranted 2021-06-22cancelled 2021-11-30
Successor callsigns
Callsigns held now by people who previously held WD5JDH.
- Bumgardner, John LLAgranted 2022-03-29