Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9GNK callsign genealogy
Currently held by CLIFFORD, JOHN L
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 KB9GNK's current licensee, walking backwards.
- Lander, Erwin AILgranted 2019-06-28cancelled 2019-07-19
Successor callsigns
Callsigns held now by people who previously held KB9GNK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9GNK, oldest first.
- CLIFFORD, JOHN L IL1991-04-16 → cancelled 2003-04-17
- Lander, Erwin A IL2019-07-19 active