Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1OI callsign genealogy
Currently held by PIKE, JOHN R
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 K1OI's current licensee, walking backwards.
- PIKE, JOHN RCTgranted 1994-05-24cancelled 2000-07-18
- WB9WHBno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K1OI.
No current licensee on record previously held this callsign.