Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4NHL callsign genealogy
Currently held by JOHNSON, CHRISTOPHER 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 K4NHL's current licensee, walking backwards.
- Hall, Jerry LNCgranted 2009-07-07cancelled 2009-08-25
Successor callsigns
Callsigns held now by people who previously held K4NHL.
- Johnson, Christopher RSCgranted 2007-07-31cancelled 2019-08-01
All historical holders
Every license row we've seen with the callsign K4NHL, oldest first.
- JOHNSON, CHRISTOPHER R SC2006-12-05 → cancelled 2007-07-31
- Hall, Jerry L NC2019-06-12 active