Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1OKB callsign genealogy
Currently held by Tetreault, John H
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 WA1OKB's current licensee, walking backwards.
- Tetreault, John HRIgranted 2019-01-31cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held WA1OKB.
No current licensee on record previously held this callsign.