Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8ZIP callsign genealogy
Currently held by ARMSTRONG, DAVID L
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 K8ZIP's current licensee, walking backwards.
- Wehler, Tristan MMIgranted 2024-03-12cancelled 2025-03-28
Successor callsigns
Callsigns held now by people who previously held K8ZIP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8ZIP, oldest first.
- ARMSTRONG, DAVID L OH2010-03-03 → cancelled 2022-05-05
- Wehler M, Tristan MI2025-03-28 active