Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7JKA callsign genealogy
Currently held by RAMSTEAD, JOHN A
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 KA7JKA's current licensee, walking backwards.
- Adamowicz, Gerald KWAgranted 2019-06-27cancelled 2019-07-16
Successor callsigns
Callsigns held now by people who previously held KA7JKA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA7JKA, oldest first.
- RAMSTEAD, JOHN A WA1995-04-03 → cancelled 2007-04-04
- Adamowicz, Gerald K WA2019-07-16 active