Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO1I callsign genealogy
Currently held by LINDZEN, RICHARD S
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 WO1I's current licensee, walking backwards.
- LINDZEN, RICHARD SMAgranted 2007-12-27cancelled 2010-08-03
Successor callsigns
Callsigns held now by people who previously held WO1I.
- THURLOW, ROGER BCTgranted 1991-04-23cancelled 2003-04-24