Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4SIL callsign genealogy
Currently held by SILLS, DANNY 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 W4SIL's current licensee, walking backwards.
- SILLS, DANNY RFLgranted 1997-06-27cancelled 2006-10-03
Successor callsigns
Callsigns held now by people who previously held W4SIL.
No current licensee on record previously held this callsign.