Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4RMO callsign genealogy
Currently held by SASSER, MYRON 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 N4RMO's current licensee, walking backwards.
- Oatsvall, Robert MSCgranted 2017-01-10cancelled 2026-09-01
- KJ4KCno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held N4RMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4RMO, oldest first.
- SASSER, MYRON J AL2010-09-09 → cancelled 2022-12-06
- Oatsvall, Robert M SC2026-09-01 active