Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4JBD callsign genealogy
Currently held by TRIPLETT, JEFFREY 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 KM4JBD's current licensee, walking backwards.
- Hendry, MaryNYgranted 2026-03-26cancelled 2026-04-18
Successor callsigns
Callsigns held now by people who previously held KM4JBD.
- TRIPLETT, JEFFREY TNCgranted 2025-04-02
All historical holders
Every license row we've seen with the callsign KM4JBD, oldest first.
- TRIPLETT, JEFFREY T SC2015-03-23 → cancelled 2015-04-10
- Hendry, Mary NY2026-04-18 active