Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1RKM callsign genealogy
Currently held by MARGARITA, DIMITRI 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 W1RKM's current licensee, walking backwards.
- MANN, ROBERTCTgranted 2014-02-21cancelled 2015-04-07
Successor callsigns
Callsigns held now by people who previously held W1RKM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1RKM, oldest first.
- MARGARITA, DIMITRI J ME1987-09-29 → cancelled 1999-09-30
- JONES, HERBERT L ME2001-09-25 → cancelled 2013-09-26
- Mann, Robert CT2025-05-15 active