Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7NH callsign genealogy
Currently held by PETROFF IV, STANLEY 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 AB7NH's current licensee, walking backwards.
- Petroff IV, Stanley AORgranted 2009-08-18cancelled 2012-04-03
Successor callsigns
Callsigns held now by people who previously held AB7NH.
- Petroff IV, Stanley AORgranted 2026-03-27
All historical holders
Every license row we've seen with the callsign AB7NH, oldest first.
- PETROFF IV, STANLEY A OR1995-11-07 → cancelled 2006-09-19
- Petroff IV, Stanley A OR2024-02-01 → cancelled 2026-03-27