Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD6MW callsign genealogy
Currently held by Wachenheim, Markus A
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 KD6MW's current licensee, walking backwards.
- Wachenheim, Markus ANYgranted 2025-06-10cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held KD6MW.
- Wachenheim, Markus ANYgranted 2026-02-10
All historical holders
Every license row we've seen with the callsign KD6MW, oldest first.
- HASTINGS, JACK E CA1998-05-04 → cancelled 2010-05-05
- Wachenheim, Markus A NY2025-12-09 → cancelled 2026-02-10