Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO4LFH callsign genealogy
Currently held by Lightning Fast Hams Radio Club
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 WO4LFH's current licensee, walking backwards.
- Smith, Caelan RNCgranted 2023-08-01cancelled 2023-08-29
Successor callsigns
Callsigns held now by people who previously held WO4LFH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WO4LFH, oldest first.
- Lightning Fast Hams Radio Club VA2009-01-10 → cancelled 2021-01-12
- Smith, Caelan R NC2023-08-29 active