Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7TXX callsign genealogy
Currently held by JACKSON, MICHAEL 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 N7TXX's current licensee, walking backwards.
- Jackson, Michael WTXgranted 2015-02-12cancelled 2015-03-24
Successor callsigns
Callsigns held now by people who previously held N7TXX.
- CLARK, WILLIAM KCOgranted 2017-03-01
All historical holders
Every license row we've seen with the callsign N7TXX, oldest first.
- CLARK, WILLIAM K CO2003-11-14 → cancelled 2007-05-30
- JACKSON, MICHAEL W TX2026-05-20 active