Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7B callsign genealogy
Currently held by Hammond, Charles R
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 KL7B's current licensee, walking backwards.
- Hammond, Charles RAKgranted 2004-05-03cancelled 2004-07-13
Successor callsigns
Callsigns held now by people who previously held KL7B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL7B, oldest first.
- ATTWOOD, RICHARD AK1994-02-08 → cancelled 2002-05-24
- Hammond, Charles R AK2024-04-17 active