Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9WLF callsign genealogy
Currently held by Bilello, Thomas N
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 K9WLF's current licensee, walking backwards.
- Spahn, NickolasNMgranted 2014-04-28cancelled 2014-10-25
Successor callsigns
Callsigns held now by people who previously held K9WLF.
- Bilello, Thomas NFLgranted 2022-06-14
All historical holders
Every license row we've seen with the callsign K9WLF, oldest first.
- Bilello, Thomas N FL2009-06-18 → cancelled 2012-07-31
- Spahn, Nickolas CA2024-11-06 active