Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7HHZ callsign genealogy
Currently held by AUSTIN, HARRIS M
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 W7HHZ's current licensee, walking backwards.
- Kar, Subhro SWAgranted 2015-10-30cancelled 2015-11-17
Successor callsigns
Callsigns held now by people who previously held W7HHZ.
- Kar, Subhro SORgranted 2017-07-11
All historical holders
Every license row we've seen with the callsign W7HHZ, oldest first.
- AUSTIN, HARRIS M WA1991-07-16 → cancelled 2003-07-18
- Kar, Subhro S WA2015-11-17 → cancelled 2017-07-11