Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7SSK callsign genealogy
Currently held by Johnson, Fred C
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 K7SSK's current licensee, walking backwards.
- Johnson, Lyle FOKgranted 2013-06-27cancelled 2014-07-04
Successor callsigns
Callsigns held now by people who previously held K7SSK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7SSK, oldest first.
- Johnson, Fred C WA2007-10-24 → cancelled 2012-07-13
- Johnson, Lyle F OK2014-07-04 → cancelled 2026-07-07