Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5LOC callsign genealogy
Currently held by KVAMME, ROLF J
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 N5LOC's current licensee, walking backwards.
- LOCKE, JEFFREY JTXgranted 2010-09-03cancelled 2011-09-17
Successor callsigns
Callsigns held now by people who previously held N5LOC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5LOC, oldest first.
- KVAMME, ROLF J AZ1995-03-27 → cancelled 2007-03-28
- LOCKE, JEFFREY J TX2021-07-08 active