Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7DES callsign genealogy
Currently held by MARTEN, WALTER J
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 K7DES's current licensee, walking backwards.
- SNYDER, DAVID EWAgranted 2020-03-24cancelled 2021-02-23
Successor callsigns
Callsigns held now by people who previously held K7DES.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7DES, oldest first.
- MARTEN, WALTER J MT2008-05-22 → cancelled 2020-05-23
- SNYDER, DAVID E WA2021-02-23 active