Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1XF callsign genealogy
Currently held by CICCHESE, J ROGER
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 K1XF's current licensee, walking backwards.
- GRUBMULLER, JOHN WNHgranted 2010-11-16cancelled 2011-04-29
Successor callsigns
Callsigns held now by people who previously held K1XF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1XF, oldest first.
- CICCHESE, J ROGER MA1999-04-08 → cancelled 2011-04-09
- GRUBMULLER, JOHN W NH2021-02-04 active