Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3POP callsign genealogy
Currently held by Schindler Jr, Henry A
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 K3POP's current licensee, walking backwards.
- Schmitt, Michael JPAgranted 2022-01-18cancelled 2023-07-14
Successor callsigns
Callsigns held now by people who previously held K3POP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3POP, oldest first.
- Schindler Jr, Henry A MD2011-03-29 → cancelled 2023-07-12
- Schmitt, Michael J PA2023-07-14 active