Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4AVA callsign genealogy
Currently held by Hollander, Jeffrey
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 KJ4AVA's current licensee, walking backwards.
- Evans, Julian AAZgranted 2023-09-13cancelled 2023-10-06
Successor callsigns
Callsigns held now by people who previously held KJ4AVA.
- Hollander, JeffreyFLgranted 2017-09-30
All historical holders
Every license row we've seen with the callsign KJ4AVA, oldest first.
- Hollander, Jeffrey FL2007-11-28 → cancelled 2007-12-18
- Evans, Julian A AZ2023-10-06 active