Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7IIS callsign genealogy
Currently held by POLCZYNSKI, STEVEN D
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 KD7IIS's current licensee, walking backwards.
- POLCZYNSKI, STEVEN DOKgranted 1999-07-13cancelled 2000-03-23
Successor callsigns
Callsigns held now by people who previously held KD7IIS.
No current licensee on record previously held this callsign.