Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1SPR callsign genealogy
Currently held by SHERMAN, 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 N1SPR's current licensee, walking backwards.
- Spradlin, Jacob NCTgranted 2019-11-20cancelled 2019-12-13
Successor callsigns
Callsigns held now by people who previously held N1SPR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1SPR, oldest first.
- SHERMAN, JOHN ME1994-07-15 → cancelled 2006-07-18
- Spradlin, Jacob N TN2019-12-13 active