Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6EMS callsign genealogy
Currently held by Patton, Robert K
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 N6EMS's current licensee, walking backwards.
- Patton, Robert KCAgranted 2010-08-25cancelled 2013-03-22
Successor callsigns
Callsigns held now by people who previously held N6EMS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6EMS, oldest first.
- Cramphorn, Darrell J CA2001-03-02 → cancelled 2013-03-05
- Patton, Robert K CA2024-02-23 active