Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9MUG callsign genealogy
Currently held by Darrrell Penrod Memorial ARC
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 K9MUG's current licensee, walking backwards.
- KK4VHJcancelledBig Swamp DX ClubALgranted 2013-11-19cancelled 2015-01-27
Successor callsigns
Callsigns held now by people who previously held K9MUG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9MUG, oldest first.
- PENROD, DARRELL D AL2006-05-04 → cancelled 2014-10-14
- Darrrell Penrod Memorial ARC AL2015-01-27 active