Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1JAF callsign genealogy
Currently held by Flood, John A
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 N1JAF's current licensee, walking backwards.
- Flood, John AMAgranted 2010-07-01cancelled 2016-03-26
Successor callsigns
Callsigns held now by people who previously held N1JAF.
- THOMAS, MATTHEW SMEgranted 2019-09-13
All historical holders
Every license row we've seen with the callsign N1JAF, oldest first.
- THOMAS, MATTHEW S ME2001-05-01 → cancelled 2009-12-08
- Flood, John A MA2026-03-10 active