Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K2UHF callsign genealogy
Currently held by MULLER, CHARLES T
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 K2UHF's current licensee, walking backwards.
- Grochola, Robert SNJgranted 2008-12-01cancelled 2010-10-05
Successor callsigns
Callsigns held now by people who previously held K2UHF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2UHF, oldest first.
- MULLER, CHARLES T NY1997-03-26 → cancelled 2009-03-27
- Grochola, Robert S NJ2020-08-13 active