Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1SAN callsign genealogy
Currently held by McIntosh, Nicholas
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 N1SAN's current licensee, walking backwards.
- McIntosh, NicholasCOgranted 2017-07-11cancelled 2018-05-18
Successor callsigns
Callsigns held now by people who previously held N1SAN.
- MCINTOSH, NICHOLAS JCOgranted 2021-04-09
All historical holders
Every license row we've seen with the callsign N1SAN, oldest first.
- DEEGAN, MARK J SC2006-04-28 → cancelled 2018-05-01
- McIntosh, Nicholas CO2018-05-18 → cancelled 2021-04-09