Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2FU callsign genealogy
Currently held by Handel, Robert
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 K2FU's current licensee, walking backwards.
- Hildenstein, JonNYgranted 2024-12-27cancelled 2026-08-04
Successor callsigns
Callsigns held now by people who previously held K2FU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2FU, oldest first.
- Handel, Robert NY2014-06-18 → cancelled 2026-07-15
- Hildenstein, Jon G NY2026-08-04 active