Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6KTP callsign genealogy
Currently held by Herlihy, Michael M
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 K6KTP's current licensee, walking backwards.
- Herlihy, Michael MCAgranted 2026-01-21cancelled 2026-02-10
Successor callsigns
Callsigns held now by people who previously held K6KTP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6KTP, oldest first.
- HERLIHY, DANIEL M CA2015-01-07 → cancelled 2025-12-27
- Herlihy, Michael M CA2026-02-10 active