Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7RDW callsign genealogy
Currently held by ANDERSON, LEIF O
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 KD7RDW's current licensee, walking backwards.
- WINNIFORD, RICHARD DAZgranted 2012-12-04cancelled 2018-08-18
Successor callsigns
Callsigns held now by people who previously held KD7RDW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD7RDW, oldest first.
- ANDERSON, LEIF O WA2002-05-01 → cancelled 2014-05-02
- WINNIFORD, RICHARD D OK2018-08-18 active