Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JBH callsign genealogy
Currently held by Hoogstraten, Bastiaan
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 K4JBH's current licensee, walking backwards.
- Houff, Joshua BVAgranted 2021-03-01cancelled 2021-03-23
Successor callsigns
Callsigns held now by people who previously held K4JBH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JBH, oldest first.
- Hoogstraten, Bastiaan FL2008-02-16 → cancelled 2020-04-23
- Houff, Joshua B VA2021-03-23 active