Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1JWC callsign genealogy
Currently held by NELSON JR, COLA R
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 N1JWC's current licensee, walking backwards.
- Crowson, Jeff WMOgranted 2017-07-20cancelled 2023-10-31
Successor callsigns
Callsigns held now by people who previously held N1JWC.
- NELSON JR, COLA RMAgranted 2018-04-17
All historical holders
Every license row we've seen with the callsign N1JWC, oldest first.
- NELSON JR, COLA R MA2011-05-11 → cancelled 2018-04-17
- Crowson, Jeff W MO2023-10-31 active