Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4DHM callsign genealogy
Currently held by ASDF 2BDE Commo
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 KJ4DHM's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ4DHM.
- WB4SDFcancelledASDF 2BDE CommoALgranted 2008-05-09cancelled 2016-01-26