Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3MLS callsign genealogy
Currently held by RETTER JR, MARK M
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 N3MLS's current licensee, walking backwards.
- Sizemore, Mickey LTNgranted 2000-09-22cancelled 2004-10-08
Successor callsigns
Callsigns held now by people who previously held N3MLS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3MLS, oldest first.
- RETTER JR, MARK M PA1992-06-02 → cancelled 2004-06-03
- Sizemore, Mickey L NC2024-09-24 active