Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD5MUG callsign genealogy
Currently held by Crum II, Darwin 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 KD5MUG'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 KD5MUG.
- Crum II, Darwin RTXgranted 2021-01-26