Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NS1A callsign genealogy
Currently held by HENITS, JOHN
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 NS1A's current licensee, walking backwards.
- HENITS, JOHNCTgranted 2018-04-05cancelled 2026-04-10
Successor callsigns
Callsigns held now by people who previously held NS1A.
- HENITS, JOHNCTgranted 2026-04-28
All historical holders
Every license row we've seen with the callsign NS1A, oldest first.
- ABBOTT, DOUGLAS M FL2002-02-28 → cancelled 2014-03-01
- Mahn, Andrew W NH2014-03-21 → cancelled 2026-03-24
- HENITS, JOHN CT2026-04-10 → cancelled 2026-04-28