Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4XLN callsign genealogy
Currently held by McMillan, Bill
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 W4XLN's current licensee, walking backwards.
- McMillan, BillFLgranted 2014-06-06cancelled 2014-07-29
Successor callsigns
Callsigns held now by people who previously held W4XLN.
No current licensee on record previously held this callsign.