Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3TWO callsign genealogy
Currently held by KING, JEFFREY P
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 N3TWO's current licensee, walking backwards.
- Rose, Robert HPAgranted 2008-09-03cancelled 2009-04-21
Successor callsigns
Callsigns held now by people who previously held N3TWO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3TWO, oldest first.
- KING, JEFFREY P MD1994-11-23 → cancelled 2006-11-25
- Rose, Robert H PA2019-02-01 active