Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1LPU callsign genealogy
Currently held by Mac Donald, Robert
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 N1LPU's current licensee, walking backwards.
- MacDonald, Robert ANHgranted 2010-06-02cancelled 2010-06-22
Successor callsigns
Callsigns held now by people who previously held N1LPU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1LPU, oldest first.
- MAC DONALD, JAMES VT1993-06-08 → cancelled 2005-06-09
- Mac Donald, Robert NH2020-03-25 active