Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3ZX callsign genealogy
Currently held by Moscovitz, Howard 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 KB3ZX's current licensee, walking backwards.
- Moscovitz, Howard SNCgranted 2023-08-24cancelled 2023-09-12
Successor callsigns
Callsigns held now by people who previously held KB3ZX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB3ZX, oldest first.
- MOSCOVITZ, HOWARD S PA2004-09-28 → cancelled 2016-04-13
- Moscovitz, Howard S NC2023-09-12 active