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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N7MD callsign genealogy

Currently held by LAMMERS, WILLIAM K

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 N7MD's current licensee, walking backwards.

  1. AA7RAactive· E
    Armstrong II, Richard PVAgranted 2018-12-18
  2. KF7WCKcancelled· E
    Armstrong II, Richard PAEgranted 2012-06-01cancelled 2018-12-18

Successor callsigns

Callsigns held now by people who previously held N7MD.

No current licensee on record previously held this callsign.

← Back to N7MD License history →