Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4ASM callsign genealogy
Currently held by Milstein, Arnold S
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 KD4ASM's current licensee, walking backwards.
- Milstein, Arnold SFLgranted 2017-06-29cancelled 2021-08-14
Successor callsigns
Callsigns held now by people who previously held KD4ASM.
- RYDER, ANN PTNgranted 2001-04-19cancelled 2013-07-03