Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7SDH callsign genealogy
Currently held by HAGERMAN Mr, 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 W7SDH's current licensee, walking backwards.
- HAGERMAN, STEVEN DORgranted 2003-04-25cancelled 2003-05-30
Successor callsigns
Callsigns held now by people who previously held W7SDH.
No current licensee on record previously held this callsign.