Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AF7AM callsign genealogy
Currently held by Black, Christopher B
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 AF7AM's current licensee, walking backwards.
- Lento Jr, John MWAgranted 2014-08-20cancelled 2015-05-05
Successor callsigns
Callsigns held now by people who previously held AF7AM.
- Black, Christopher BWAgranted 2023-03-02
All historical holders
Every license row we've seen with the callsign AF7AM, oldest first.
- Black, Christopher B WA2013-03-12 → cancelled 2013-04-02
- Lento Jr, John M PA2025-04-08 active