Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF6GTB callsign genealogy
Currently held by Dysland, John
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 KF6GTB's current licensee, walking backwards.
- Dysland, JohnCAgranted 2018-07-23cancelled 2018-08-11
Successor callsigns
Callsigns held now by people who previously held KF6GTB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF6GTB, oldest first.
- DYSLAND, JOHN C CA1996-10-10 → cancelled 2008-10-11
- Dysland, John CA2018-08-11 active