Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4VT callsign genealogy
Currently held by MARCH JR, JOSEPH W
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 KD4VT's current licensee, walking backwards.
- ESTES, STEVEN DNCgranted 2019-03-11cancelled 2019-03-29
Successor callsigns
Callsigns held now by people who previously held KD4VT.
- ESTES, STEVEN DNCgranted 2025-04-01
All historical holders
Every license row we've seen with the callsign KD4VT, oldest first.
- MARCH JR, JOSEPH W MD1993-12-14 → cancelled 2005-12-15
- ESTES, STEVEN D NC2019-03-29 → cancelled 2025-04-01