Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1SLH callsign genealogy
Currently held by ROBINSON, JOANNE D
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 N1SLH's current licensee, walking backwards.
- Hartley, Samuel LTXgranted 2009-10-14cancelled 2009-11-03
Successor callsigns
Callsigns held now by people who previously held N1SLH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1SLH, oldest first.
- ROBINSON, JOANNE D CT1994-07-14 → cancelled 2006-07-15
- Hartley, Samuel L TX2009-11-03 → cancelled 2021-11-04