Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1SFR callsign genealogy
Currently held by Clemons, Robert B
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 N1SFR's current licensee, walking backwards.
- Clemons, Robert BVAgranted 2020-03-03cancelled 2020-04-07
Successor callsigns
Callsigns held now by people who previously held N1SFR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1SFR, oldest first.
- CLEMONS, ROBERT B VA2004-04-21 → cancelled 2016-07-12
- Clemons, Robert B VA2020-04-07 active