Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7GNH callsign genealogy
Currently held by JOHNTZ JR, JAMES A
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 W7GNH's current licensee, walking backwards.
- JOHNTZ III, JAMES AIDgranted 2002-11-19cancelled 2010-09-03
Successor callsigns
Callsigns held now by people who previously held W7GNH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7GNH, oldest first.
- JOHNTZ JR, JAMES A ID2005-01-19 → cancelled 2010-07-30
- JOHNTZ III, JAMES A ID2020-07-10 active