Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT6Z callsign genealogy
Currently held by MC PHERSON, DOUGLAS V
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 KT6Z's current licensee, walking backwards.
- Haggerty, Robert JCAgranted 2018-03-05cancelled 2020-02-25
Successor callsigns
Callsigns held now by people who previously held KT6Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT6Z, oldest first.
- MC PHERSON, DOUGLAS V CA1995-12-14 → cancelled 2007-12-15
- Harding, Stephen R CA2008-02-05 → cancelled 2020-02-06
- Haggerty, Robert J CA2020-02-25 active