Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD1YF callsign genealogy
Currently held by SANDEN, ROY R
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 KD1YF's current licensee, walking backwards.
- WA1DOIno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD1YF.
- SANDEN, ROY RCTgranted 2018-05-15