Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NR5L callsign genealogy
Currently held by Rehme, Mark L
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 NR5L's current licensee, walking backwards.
- Rehme, Mark LOKgranted 2015-03-16cancelled 2016-08-02
Successor callsigns
Callsigns held now by people who previously held NR5L.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NR5L, oldest first.
- RICHMOND, GORDON L OK2004-04-22 → cancelled 2016-07-15
- Rehme, Mark L OK2016-08-02 active