Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD2SDO callsign genealogy
Currently held by Saint Maximillian Kolbe Memorial Club
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 KD2SDO'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 KD2SDO.
- W2SMKactiveSaint Maximillian Kolbe Memorial ClubNJgranted 2019-06-21