Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7K callsign genealogy
Currently held by Skiff, W Sheldon
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 KA7K's current licensee, walking backwards.
- JOHNSON, JEFFREY GAZgranted 2014-02-22cancelled 2015-04-21
Successor callsigns
Callsigns held now by people who previously held KA7K.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA7K, oldest first.
- Skiff, W Sheldon AZ2014-08-18 → cancelled 2015-03-02
- JOHNSON, JEFFREY G AZ2015-04-21 active