Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JHH callsign genealogy
Currently held by Haskins, 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 K4JHH's current licensee, walking backwards.
- Haskins, JohnTNgranted 2017-07-20cancelled 2019-10-25
Successor callsigns
Callsigns held now by people who previously held K4JHH.
- HILL JR, JAMES HSCgranted 2006-03-03cancelled 2007-08-29
All historical holders
Every license row we've seen with the callsign K4JHH, oldest first.
- HILL JR, JAMES H SC2001-02-27 → cancelled 2006-03-03
- Haskins, John TN2019-10-25 active