Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7LBF callsign genealogy
Currently held by SLOSSON, FLOYD J
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 W7LBF's current licensee, walking backwards.
- Hauch, Michael DWAgranted 2013-03-15cancelled 2014-10-03
Successor callsigns
Callsigns held now by people who previously held W7LBF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7LBF, oldest first.
- SLOSSON, FLOYD J WA1996-11-14 → cancelled 2006-07-15
- Hauch, Michael D WA2024-09-25 active