Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MDD callsign genealogy
Currently held by Drab, Marcus D
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 K1MDD's current licensee, walking backwards.
- Drab, Marcus DCTgranted 2017-06-20cancelled 2017-07-08
Successor callsigns
Callsigns held now by people who previously held K1MDD.
No current licensee on record previously held this callsign.