Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB1LLY callsign genealogy
Currently held by FRANCISCO, WILLIAM K
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 WB1LLY's current licensee, walking backwards.
- Francisco, William KGAgranted 2020-04-22cancelled 2020-06-09
Successor callsigns
Callsigns held now by people who previously held WB1LLY.
No current licensee on record previously held this callsign.