Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC2JMD callsign genealogy
Currently held by Dahlem, John 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 KC2JMD's current licensee, walking backwards.
- Dahlem, John MNYgranted 2011-03-11cancelled 2011-03-29
Successor callsigns
Callsigns held now by people who previously held KC2JMD.
- Robbins, Stephen COHgranted 2022-06-10
All historical holders
Every license row we've seen with the callsign KC2JMD, oldest first.
- Robbins, Stephen C NY2002-04-25 → cancelled 2002-07-22
- Dahlem, John M NY2021-01-05 active