Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7IDH callsign genealogy
Currently held by JOHNSON, DAVID 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 W7IDH's current licensee, walking backwards.
- JOHNSON, DAVID DIDgranted 2008-01-23cancelled 2014-06-14
Successor callsigns
Callsigns held now by people who previously held W7IDH.
No current licensee on record previously held this callsign.