Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9LFO callsign genealogy
Currently held by THAYER JR, C RICHMOND
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 W9LFO's current licensee, walking backwards.
- Harman, Lance VWAgranted 2009-01-29cancelled 2009-02-24
Successor callsigns
Callsigns held now by people who previously held W9LFO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9LFO, oldest first.
- THAYER JR, C RICHMOND IL1994-10-11 → cancelled 2006-10-12
- Harman, Lance V WA2019-02-05 active