Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7HHH callsign genealogy
Currently held by ROODHUYZEN, STEPHEN H
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 K7HHH's current licensee, walking backwards.
- Dubash, ZariusMAgranted 2025-04-08cancelled 2025-04-26
Successor callsigns
Callsigns held now by people who previously held K7HHH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7HHH, oldest first.
- ROODHUYZEN, STEPHEN H AZ2012-06-12 → cancelled 2024-06-13
- Dubash, Zarius MA2025-04-26 active