Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8MPW callsign genealogy
Currently held by JOHNSON SR, CLAUDE W
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 K8MPW's current licensee, walking backwards.
- Johnson Jr, Claude WIDgranted 2014-11-25cancelled 2015-04-17
Successor callsigns
Callsigns held now by people who previously held K8MPW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8MPW, oldest first.
- JOHNSON SR, CLAUDE W VA2006-04-24 → cancelled 2013-04-29
- Johnson Jr, Claude W ID2025-01-22 active