Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5ARM callsign genealogy
Currently held by Parker, Monte P
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 K5ARM's current licensee, walking backwards.
- Parker, Monte PTXgranted 2000-09-19cancelled 2008-02-09
Successor callsigns
Callsigns held now by people who previously held K5ARM.
- N5RMcancelledSan Lorenzo Contest ClubNMgranted 2005-09-02cancelled 2010-03-19
All historical holders
Every license row we've seen with the callsign K5ARM, oldest first.
- San Lorenzo Contest Club NM2003-05-06 → cancelled 2005-09-02
- Parker, Monte P TX2017-12-12 active