Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD2IUM callsign genealogy
Currently held by Tech Valley Center Of Gravity Amateur Radio Society
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 KD2IUM'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 KD2IUM.
- W2COGactiveTech Valley Center Of Gravity Amateur Radio SocietyNYgranted 2015-06-23