Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JAH callsign genealogy
Currently held by Hollowell, John
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 K4JAH's current licensee, walking backwards.
- Hollowell, JohnNCgranted 2023-12-23cancelled 2024-01-20
Successor callsigns
Callsigns held now by people who previously held K4JAH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JAH, oldest first.
- HOCHSTRASSER, JOSEPH VA1999-02-26 → cancelled 2011-03-01
- HURST JR, JACK A FL2011-12-17 → cancelled 2023-12-19
- Hollowell, John NC2024-01-20 active