Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7IDX callsign genealogy
Currently held by JOHNSON, RICHARD L
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 W7IDX's current licensee, walking backwards.
- JOHNSON, RICHARD LORgranted 2008-11-12cancelled 2013-04-16
Successor callsigns
Callsigns held now by people who previously held W7IDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7IDX, oldest first.
- KILLINGSWORTH, LESLIE D WA1998-07-16 → cancelled 2010-07-17
- JOHNSON, RICHARD L OR2023-03-10 active