Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK5U callsign genealogy
Currently held by Lozo, Fredric B
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 AK5U's current licensee, walking backwards.
- Norris Jr, Robert PTXgranted 2006-10-10cancelled 2013-03-19
Successor callsigns
Callsigns held now by people who previously held AK5U.
- Lozo, Fredric BTXgranted 2020-12-03
All historical holders
Every license row we've seen with the callsign AK5U, oldest first.
- Lozo, Fredric B TX2002-07-23 → cancelled 2011-02-26
- Norris Jr, Robert P TX2023-02-11 active