Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU5FZN callsign genealogy
Currently held by Kloss, Gary R
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 KU5FZN's current licensee, walking backwards.
- Kloss, Gary RNMgranted 2021-07-09cancelled 2023-04-01
Successor callsigns
Callsigns held now by people who previously held KU5FZN.
- Kloss, Gary RNMgranted 2021-07-09cancelled 2023-04-01
All historical holders
Every license row we've seen with the callsign KU5FZN, oldest first.
- Kloss, Gary R NM2012-08-21 → cancelled 2021-07-09
- Kloss, Gary R NM2023-04-01 active