Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1DP callsign genealogy
Currently held by PERHAM, DAVID W
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 N1DP's current licensee, walking backwards.
- PERHAM, DAVID WNCgranted 1998-07-14cancelled 2000-08-11
Successor callsigns
Callsigns held now by people who previously held N1DP.
- Pollard, Dennis WMNgranted 2017-12-29
All historical holders
Every license row we've seen with the callsign N1DP, oldest first.
- PERHAM, DAVID W ME2020-06-09 active
- POLLARD, DENNIS W— → cancelled 1998-03-18