Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ6LNF callsign genealogy
Currently held by Karp-Neufeld, Gregory G
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 KJ6LNF's current licensee, walking backwards.
- Sipes, Daniel RCAgranted 2014-08-25cancelled 2014-09-27
Successor callsigns
Callsigns held now by people who previously held KJ6LNF.
- Karp-Neufeld, Gregory GCAgranted 2020-10-14
All historical holders
Every license row we've seen with the callsign KJ6LNF, oldest first.
- Karp-Neufeld, Gregory G CA2010-11-23 → cancelled 2010-12-11
- Sipes, Daniel R CA2014-09-27 active