Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA7H callsign genealogy
Currently held by COCHRANE, JOHN S
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 WA7H's current licensee, walking backwards.
- Kirby, Robert HORgranted 2006-06-06cancelled 2007-04-03
Successor callsigns
Callsigns held now by people who previously held WA7H.
- COCHRANE, JOHN SWYgranted 2024-12-31
All historical holders
Every license row we've seen with the callsign WA7H, oldest first.
- COCHRANE, JOHN S WY1997-02-06 → cancelled 2005-03-02
- Kirby, Robert H OR2017-01-20 active