Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N2SFA callsign genealogy
Currently held by HASELMAYER, CARYN J
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 N2SFA's current licensee, walking backwards.
- Heintz, Robert ANJgranted 2026-01-29cancelled 2026-02-18
Successor callsigns
Callsigns held now by people who previously held N2SFA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2SFA, oldest first.
- HASELMAYER, CARYN J NY2012-05-31 → cancelled 2024-08-13
- Heintz, Robert A NJ2026-02-18 active