Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5LOI callsign genealogy
Currently held by POST, THOMAS W
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 W5LOI's current licensee, walking backwards.
- HENDRICKSON, JOE WTXgranted 2012-06-12cancelled 2013-10-17
Successor callsigns
Callsigns held now by people who previously held W5LOI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5LOI, oldest first.
- POST, THOMAS W TX1987-12-01 → cancelled 1999-12-02
- HENDRICKSON, JOE W TX2013-10-17 → cancelled 2026-03-07