Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0CLJ callsign genealogy
Currently held by GARDINER, WALTER N
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 K0CLJ's current licensee, walking backwards.
- Jarvis, Chris LKSgranted 2017-04-05cancelled 2017-04-25
Successor callsigns
Callsigns held now by people who previously held K0CLJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0CLJ, oldest first.
- GARDINER, WALTER N CO1995-07-11 → cancelled 2007-07-12
- Jarvis, Chris L KS2017-04-25 active