Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9EIS callsign genealogy
Currently held by Blackhawk Experimental Amateur Radio Society (BEARS)
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 W9EIS's current licensee, walking backwards.
- KC9FKOcancelledBlackhawk Experimental Amateur Radio Society (BEARS)ILgranted 2004-02-09cancelled 2004-03-06
Successor callsigns
Callsigns held now by people who previously held W9EIS.
No current licensee on record previously held this callsign.