Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8SEO callsign genealogy
Currently held by JOHNSON, ERIC J
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 K8SEO's current licensee, walking backwards.
- Johnson, Eric JOHgranted 2009-01-16cancelled 2009-06-23
Successor callsigns
Callsigns held now by people who previously held K8SEO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8SEO, oldest first.
- JOHNSON, JAMES A AL1998-01-26 → cancelled 2007-06-28
- JOHNSON, ERIC J OH2019-03-26 active