Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT4ID callsign genealogy
Currently held by ARBAUGH II, JOHN J
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 KT4ID's current licensee, walking backwards.
- Arbaugh II, John JVAgranted 2026-03-17cancelled 2026-04-07
Successor callsigns
Callsigns held now by people who previously held KT4ID.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT4ID, oldest first.
- ARBAUGH II, JOHN J VA2011-12-08 → cancelled 2023-12-09
- Arbaugh II, John J VA2026-04-07 active