Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5UJ callsign genealogy
Currently held by High Tech Contesting 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 N5UJ's current licensee, walking backwards.
- KF5JWNcancelledHigh Tech Contesting ClubTXgranted 2011-02-23cancelled 2011-03-25
Successor callsigns
Callsigns held now by people who previously held N5UJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5UJ, oldest first.
- Jackson, Gerald A TX2001-03-13 → cancelled 2009-03-05
- High Tech Contesting Club TX2021-01-25 active