Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG4ULL callsign genealogy
Currently held by Posk, Joseph P
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 KG4ULL's current licensee, walking backwards.
- Posk, Joseph PFLgranted 2001-08-21cancelled 2002-07-27
Successor callsigns
Callsigns held now by people who previously held KG4ULL.
- posk 609, joseph pRIgranted 2012-06-07cancelled 2021-07-07