Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AL7CC callsign genealogy
Currently held by DIEHL, KEITH H
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 AL7CC's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AL7CC.
- DIEHL, KEITH HUTgranted 2020-06-26