Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1APM callsign genealogy
Currently held by COOLEY, DANIEL H
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 N1APM's current licensee, walking backwards.
- Grajales, MichaelMAgranted 2019-03-20cancelled 2020-02-08
Successor callsigns
Callsigns held now by people who previously held N1APM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1APM, oldest first.
- COOLEY, DANIEL H NH1999-09-21 → cancelled 2011-12-13
- Grajales, Michael MA2020-02-08 active