Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1SRR callsign genealogy
Currently held by CLOSE, ROBERT
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 K1SRR's current licensee, walking backwards.
- CLOSE, ROBERT LNHgranted 2008-04-09cancelled 2008-11-04
Successor callsigns
Callsigns held now by people who previously held K1SRR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1SRR, oldest first.
- CLOSE, ROBERT MA1997-09-19 → cancelled 2005-11-03
- CLOSE, ROBERT L ME2018-12-04 active