Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4GRT callsign genealogy
Currently held by WINTER, PAUL L
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 KM4GRT's current licensee, walking backwards.
- WINTER, PAUL LNCgranted 2011-04-26cancelled 2014-12-22
Successor callsigns
Callsigns held now by people who previously held KM4GRT.
- WINTER, PAUL LNCgranted 2021-04-28