Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9KJB callsign genealogy
Currently held by SHERMAN, SHERALD 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 N9KJB's current licensee, walking backwards.
- Erwin, Kelly JMOgranted 2017-04-03cancelled 2017-04-22
Successor callsigns
Callsigns held now by people who previously held N9KJB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9KJB, oldest first.
- SHERMAN, SHERALD D IL2001-02-13 → cancelled 2013-02-14
- Erwin, Kelly J MO2017-04-22 active