Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB5OTF callsign genealogy
Currently held by Kantro, Dane 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 WB5OTF's current licensee, walking backwards.
- Kantro, Dane STXgranted 2014-04-03cancelled 2016-05-17
Successor callsigns
Callsigns held now by people who previously held WB5OTF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB5OTF, oldest first.
- BUZZARD, MARK A TX2005-01-05 → cancelled 2014-05-29
- Kantro, Dane S TX2026-03-18 active