Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8RST callsign genealogy
Currently held by KARPINSKI, COLLEEN M
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 W8RST's current licensee, walking backwards.
- KARPINSKI, COLLEEN MMIgranted 2001-07-10cancelled 2001-08-18
Successor callsigns
Callsigns held now by people who previously held W8RST.
No current licensee on record previously held this callsign.