Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MMC callsign genealogy
Currently held by HARMON, DAVID L
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 N4MMC's current licensee, walking backwards.
- FALAGAN, RICHARD WFLgranted 2004-05-26cancelled 2009-02-07
Successor callsigns
Callsigns held now by people who previously held N4MMC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4MMC, oldest first.
- HARMON, DAVID L TX1995-07-05 → cancelled 2007-07-06
- FALAGAN, RICHARD W FL2019-02-20 active