Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BOO callsign genealogy
Currently held by Holmes Sr, Herschel D
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 K4BOO's current licensee, walking backwards.
- RICE, TAMAR MTNgranted 1999-04-25cancelled 2004-06-08
Successor callsigns
Callsigns held now by people who previously held K4BOO.
- Holmes, Herschel DCOgranted 2021-04-29cancelled 2021-11-05
All historical holders
Every license row we've seen with the callsign K4BOO, oldest first.
- LAWSON JR, JAMES I FL1997-05-14 → cancelled 1998-05-14
- Holmes Sr, Herschel D FL2001-06-29 → cancelled 2001-07-26
- STALVEY, TAMAR M OH2025-04-15 active