Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3KD callsign genealogy
Currently held by Ammerman, Frank 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 N3KD's current licensee, walking backwards.
- Ammerman, Frank JPAgranted 1999-02-23cancelled 2002-05-28
Successor callsigns
Callsigns held now by people who previously held N3KD.
- DALESSANDRO, KENNETHWAgranted 2020-02-12
All historical holders
Every license row we've seen with the callsign N3KD, oldest first.
- D ALESSANDRO, KENNETH NV1996-12-18 → cancelled 2000-05-09
- Ammerman, Frank J PA2022-04-26 active