Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA6LDK callsign genealogy
Currently held by Siwula, Michael 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 WA6LDK'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 WA6LDK.
- Siwula, Michael ACAgranted 2021-07-02