Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC8TDM callsign genealogy
Currently held by POLANCIH SR, DOUGLAS 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 KC8TDM's current licensee, walking backwards.
- POLANCIH SR SR, DOUGLAS JMIgranted 2002-02-20cancelled 2002-02-21
Successor callsigns
Callsigns held now by people who previously held KC8TDM.
No current licensee on record previously held this callsign.