Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5OOT callsign genealogy
Currently held by Arguelles, Ivon A
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 W5OOT's current licensee, walking backwards.
- Harrison, Grant LARgranted 2023-05-09cancelled 2023-05-27
Successor callsigns
Callsigns held now by people who previously held W5OOT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5OOT, oldest first.
- Arguelles, Ivon A MS2004-04-27 → cancelled 2005-06-26
- Harrison, Grant AR2023-05-27 active