Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA7SDH callsign genealogy
Currently held by HOUSE, SHERRIE 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 WA7SDH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WA7SDH.
No current licensee on record previously held this callsign.