Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD6HT callsign genealogy
Currently held by Grudzinski, Steve 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 AD6HT's current licensee, walking backwards.
- GRUDZINSKI, STEVE Jcancelled 1999-02-04
Successor callsigns
Callsigns held now by people who previously held AD6HT.
No current licensee on record previously held this callsign.