Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RMM callsign genealogy
Currently held by HYDER, ORIS D
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 K4RMM's current licensee, walking backwards.
- BLAKE, LARRY LFLgranted 2005-11-23cancelled 2014-11-18
- WB6KNMno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K4RMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4RMM, oldest first.
- HYDER, ORIS D TN1996-09-19 → cancelled 2008-09-20
- BLAKE, LARRY L FL2024-10-16 active