Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1PUP callsign genealogy
Currently held by Pupius, Daniel F
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 K1PUP's current licensee, walking backwards.
- Pupius, Daniel FCAgranted 2025-08-12cancelled 2025-08-30
Successor callsigns
Callsigns held now by people who previously held K1PUP.
- Von Marschall, Arthur ECTgranted 2022-07-29
All historical holders
Every license row we've seen with the callsign K1PUP, oldest first.
- Von Marschall, Arthur E MA2017-03-16 → cancelled 2022-07-29
- Pupius, Daniel F CA2025-08-30 active