Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5HOO callsign genealogy
Currently held by THOMASSON JR, JOSEPH F
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 W5HOO's current licensee, walking backwards.
- COUNTS, CHRISTOPHER ATXgranted 2017-07-06cancelled 2020-07-28
Successor callsigns
Callsigns held now by people who previously held W5HOO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5HOO, oldest first.
- THOMASSON JR, JOSEPH F TX2000-08-11 → cancelled 2012-10-10
- COUNTS, CHRISTOPHER A TX2020-07-28 active